# Julong Rubber- Innovative Rubber Solutions for Your Industry Needs

> Rubber Molded Parts Manufacturer,Leading the Way in Rubber Manufacturing, Sealing, and Protection


## Posts

- [What is the difference between EPDM and HNBR?](https://rubberandseal.com/what-is-the-difference-between-epdm-and-hnbr/): Are your rubber seals failing early? Leaks cost money and damage your reputation. I will show you how to choose the right material and stop these problems. The main difference is what they resist. EPDM is perfect for weather, water, and steam. HNBR is the best choice for high heat, oil, and fuel. EPDM fails in oil, while HNBR fails in polar solvents like brake fluid. Difference between EPDM and HNBR Choosing the wrong rubber seal can ruin a big project. You do not want delays or angry clients. Let me break down these two materials so you can make […]
- [How Does HNBR Compare to FKM in Abrasion Resistance?](https://rubberandseal.com/how-does-hnbr-compare-to-fkm-in-abrasion-resistance/): Your dynamic seals wear out too quickly under friction and oil exposure. This causes leaks, extra maintenance, and project delays. Many buyers ask if HNBR can handle abrasion better than FKM to cut costs without losing performance. HNBR generally offers better abrasion resistance than FKM in dynamic, high-wear applications like hydraulic seals and HVAC components. HNBR shows less volume loss under friction while keeping strong oil resistance. FKM performs adequately but often lags in abrasive conditions, especially when movement or mechanical stress is high. HNBR compared to FKM in abrasion resistance I own Julong Rubber factory in China and I […]
- [What Are Material Handling Wheels?](https://rubberandseal.com/what-are-material-handling-wheels/): A cart that “should roll fine” can still fight every push. Workers get tired. Loads drift. Floors get damaged. I have seen small wheel choices cause big daily losses. Material handling wheels are load-bearing wheels used on carts, trolleys, pallet trucks, dollies, and mobile equipment. They control rolling effort, floor protection, noise, and safety by combining a wheel tread material, a core, and a bearing system matched to load, speed, and environment. Material handling wheels overview Many buyers treat wheels as “simple hardware.” I do not. I treat wheels as a small mechanical system. When I specify them well, I […]
- [How to Choose the Right Food-Grade Silicone?](https://rubberandseal.com/how-to-choose-the-right-food-grade-silicone/): Many “food-grade” silicone products look the same at first. Then odor, staining, or safety questions appear after heat and time. That gap creates risk. I choose the right food-grade silicone by matching the real contact conditions to the correct compliance path, cure system, and post-cure controls, then validating odor, extraction risk, and long-term mechanical stability. how to choose food grade silicone Food-grade silicone is not one material. It is a controlled formulation plus controlled processing. I treat selection as a chain. If one link is weak, the final product becomes unpredictable. What Does “Food-Grade Silicone” Actually Mean? Many suppliers use […]
- [What Are the Benefits of Silicone Cookware?](https://rubberandseal.com/what-are-the-benefits-of-silicone-cookware/): Some kitchen tools smell after heating. Some stain fast. Some crack in a year. I noticed these problems long before I started making silicone products. Silicone cookware benefits include heat stability, non-stick release, low odor when properly cured, stain resistance, flexibility, and long service life, especially when the silicone is food-contact compliant and well manufactured. benefits of silicone cookware food grade heat resistant I write about industrial rubber most days, but silicone cookware feels familiar to me because the same material rules apply. A good silicone compound behaves predictably. A poor one feels fine at first, then loses shape or […]
- [How Temperature Affects Chemical Compatibility of FKM?](https://rubberandseal.com/how-temperature-affects-chemical-compatibility-of-fkm/): Many FKM seals look perfect on day one. Then temperature rises, and chemicals that were “safe” on paper suddenly destroy the seal. Temperature changes the chemical compatibility of FKM because heat accelerates diffusion, swelling, extraction, and chemical attack, often turning a compatible fluid at room temperature into a failure risk at operating conditions. FKM chemical compatibility temperature effect I learned early that chemical charts without temperature are incomplete. FKM is a high-performance elastomer, but it is not immune to heat-driven chemistry. Understanding this difference prevents many costly sealing failures. Why Temperature Changes Chemical Compatibility in FKM? FKM does not react […]
- [Which Elastomer Is Best for Potable Water Gaskets?](https://rubberandseal.com/which-elastomer-is-best-for-potable-water-gaskets/): Potable water leaks are rarely dramatic at first. They start small, then turn into hygiene issues, complaints, and rework. The best elastomers for potable water gaskets are EPDM and silicone, because they combine water resistance, low extraction risk, stable compression set, and compliance with drinking-water regulations when properly formulated. potable water gasket elastomer selection When buyers ask me for a “safe rubber for drinking water,” I never answer with one word. Safety, sealing life, and certification must all align. I have seen good rubbers fail potable systems simply because the wrong detail was ignored. Why EPDM Is the Most Common […]
- [What Is the Difference Between EPDM and Nitrile Rubber?](https://rubberandseal.com/what-is-the-difference-between-epdm-and-nitrile-rubber/): Many sealing problems do not start with bad molding. They start with the wrong rubber choice. I see EPDM and nitrile confused more than any other pair. EPDM and nitrile rubber differ mainly in chemical resistance and weather behavior: EPDM excels in water, steam, and outdoor exposure, while nitrile rubber performs best in oils, fuels, and hydrocarbons. EPDM vs nitrile rubber comparison When buyers ask me which one is “better,” I always slow the conversation. There is no better rubber in general. There is only the right rubber for the environment. I learned this after seeing many seals fail for […]
- [How to Keep Production Consistent in Large-Volume Silicone Manufacturing?](https://rubberandseal.com/how-to-keep-production-consistent-in-large-volume-silicone-manufacturing/): A big order can look perfect in the first cartons. Then one shift changes, and the parts start to drift. That is how claims begin. I keep large-volume silicone production consistent by locking material inputs, controlling mixing and cure, validating the process window, and using simple SPC with clear stop rules across every press and shift. Large volume silicone manufacturing consistency When a buyer scales from trial lots to steady volume, the real risk is not “can you make it.” The risk is “can you keep making the same part for months.” I treat consistency as a system, not a […]
- [What Is the Benefits of Silicone Bushings Over Rubber Bushings?](https://rubberandseal.com/what-is-the-benefits-of-silicone-bushings-over-rubber-bushings/): Bushings can look correct during assembly, then they harden, squeak, or loosen after heat cycling. Those small changes often create NVH complaints and early wear that are expensive to trace. Silicone bushings often outperform many rubber bushings in temperature stability, ozone/UV resistance, and long-term flexibility, so they can reduce aging-related hardening and cracking. The trade-off is weaker oil/fuel resistance and often weaker abrasion performance than materials like HNBR or PU, so benefits depend on the real environment. benefits of silicone bushings over rubber bushings Material selection here is not a “premium vs standard” choice. The decision is about which failure […]
- [What Are the Applications for Silicone Bushings in Automotive Use?](https://rubberandseal.com/what-are-the-applications-for-silicone-bushings-in-automotive-use/): A bushing that looks “good enough” can still squeak, loosen, or crack after a hot summer. I have seen small bushing choices change NVH, assembly yield, and long-term reliability. In automotive use, silicone bushings are applied where heat, ozone, and long-term flexibility matter, but direct oil and fuel contact is limited. Common applications include sensor isolation mounts, firewall and bulkhead pass-through bushings, lamp and electronics mounts, HVAC actuator cushions, and hot-zone vibration isolators. silicone bushing applications automotive sensor mount firewall isolator I treat silicone bushings as “heat-and-aging stable isolators.” They are not a universal replacement for NR, HNBR, or PU. […]
- [What Are Silicone Bushings?](https://rubberandseal.com/what-are-silicone-bushings/): A bushing looks simple, but a wrong one can add noise, wear, or misalignment fast. I have seen “small rubber parts” decide whether a mechanism feels smooth or unstable. Silicone bushings are molded silicone rubber sleeves or inserts that cushion, isolate vibration, guide parts, or seal around a pin, bolt, tube, or shaft. They are chosen when temperature range, ozone resistance, and long-term flexibility matter more than oil resistance or maximum load capacity. silicone bushings definition vibration isolation sleeve insert I treat silicone bushings as functional parts, not generic rubber. A bushing can act like a spring, a damper, a […]
- [How to Choose a Silicone Grommet for Automotive Wiring?](https://rubberandseal.com/how-to-choose-a-silicone-grommet-for-automotive-wiring/): A wiring harness can fail because of one sharp edge. A bad grommet can also leak water into the cabin. I have seen small sealing mistakes create long troubleshooting work. I choose an automotive silicone grommet by matching five inputs: hole size and panel thickness, harness OD range, sealing level (dust, splash, or pressure), temperature and aging zone, and abrasion or motion risk. Then I confirm with fit samples and simple ingress and pull-out checks. how to choose silicone grommet automotive wiring harness I treat grommet selection as a system decision, not a catalog decision. The best grommet is the […]
- [What Are Silicone Grommets?](https://rubberandseal.com/what-are-silicone-grommets/): Loose cables can chafe, leak, or short. Sharp panel edges can cut insulation in weeks. I have seen small grommets prevent big failures. Silicone grommets are flexible silicone rubber rings or bushings that protect wires, tubes, and small parts as they pass through holes, and they can also seal against dust, splash, and vibration. They are chosen when heat, ozone, and long-term flexibility matter. silicone grommets for cable protection and sealing I treat silicone grommets as “edge protection plus sealing.” A good design controls three things at the same time: abrasion risk, ingress risk, and assembly stability. What Do Silicone […]
- [What Rubber Is Used in the Automotive Industry?](https://rubberandseal.com/what-rubber-is-used-in-the-automotive-industry/): A wrong rubber choice can turn a good design into leaks, noise, or early cracks. I have seen small material mistakes cause big warranty problems. I do not like surprises in the field. Automotive rubber is usually EPDM, NBR, HNBR, FKM, silicone, CR, and PU, and each one matches a specific risk such as heat, oil, fuel, ozone, or dynamic fatigue. The “best” rubber depends on media, temperature, motion, and target life. Automotive rubber materials overview I treat “automotive rubber” as a set of jobs, not one material. I start with where the part sits, what it touches, and how […]
- [Which Rubber Compounds Are Compatible With Injection Molding?](https://rubberandseal.com/which-rubber-compounds-are-compatible-with-injection-molding/): Many buyers treat injection molding as a universal answer. That shortcut often causes scorch, bubbles, scrap, and unstable dimensions when the compound was never built for this process. Most thermoset rubbers can be injection molded if the compound has stable flow, enough scorch safety, and cure behavior that matches mold temperature and cycle time. EPDM, NBR, HNBR, FKM, and silicone are common winners when the formulation is injection-ready. Rubber compounds compatible with injection molding Compatibility is not a brand name or a polymer name. Compatibility is proven when the compound fills the cavity, vents air, and cures evenly without pre-curing […]
- [When to Use Injection Molding for Rubber Parts?](https://rubberandseal.com/when-to-use-injection-molding-for-rubber-parts/): Many rubber parts fail because the process choice was made too fast. I often see high scrap, unstable dimensions, and late rework when the wrong mold method is forced. I use rubber injection molding when I need repeatable output at medium-to-high volume, better fill of complex features, lower labor per part, and tighter control of flash and cycle time once the design is stable. When to use injection molding for rubber parts I treat injection molding as a production system, not only a molding method. I look at part geometry, annual volume, compound behavior, and the buyer’s tolerance for tooling […]
- [When Is Compression Molding Preferable to Injection Molding for Rubber?](https://rubberandseal.com/when-is-compression-molding-preferable-to-injection-molding-for-rubber/): I often see buyers pick a molding process too early. I see late design changes, higher scrap, and missed lead times when the process does not match the rubber part. Compression molding is preferable when I need lower tooling cost, better control for high-durometer or specialty compounds, simpler tooling changes, and stable results for medium volumes, inserts, or thick parts where injection can trap air or raise shear heat. Compression molding vs injection molding for rubber parts I treat this choice as a risk decision, not a habit. I look at geometry, volume, compound behavior, and the buyer’s tolerance for […]
- [How to specify tolerances and surface finish for molded rubber parts?](https://rubberandseal.com/how-to-specify-tolerances-and-surface-finish-for-molded-rubber-parts/): Many rubber parts look “OK” in the first sample. Then the next batch shifts, the flash grows, and assembly starts leaking. I have seen this waste weeks. You should specify molded rubber tolerances by using a recognized tolerance standard, marking critical dimensions, defining inspection method and conditioning, and adding a clear surface finish and visual defect limit for flash, parting line, and gate marks. Molded rubber tolerances and surface finish specification I treat tolerance and surface finish as one package. Tolerances control fit and sealing stress. Surface finish controls friction, sealing contact, and visual acceptance. When a drawing is missing […]
- [What Are the Criteria for Selecting Rubber Materials?](https://rubberandseal.com/what-are-the-criteria-for-selecting-rubber-materials/): Bad rubber choices look fine on day one. Then the seal swells, the gasket hardens, or the wheel cracks. I have seen projects lose weeks because one line on a material spec was missing. I select rubber materials by checking service temperature, media exposure, mechanical load, hardness and compression set, certification needs, and the real failure risk of the application. Rubber material selection criteria I treat rubber selection as risk control. I do not chase a “best rubber.” I chase the rubber that fails last in the real environment. I also chase the rubber that can be produced and inspected […]
- [What Happens to Elastomers at Low Temperatures?](https://rubberandseal.com/what-happens-to-elastomers-at-low-temperatures/): Cold weather does not “pause” rubber problems. Cold weather often creates new ones. Seals leak. Hoses stiffen. Assemblies crack during installation. At low temperatures, elastomers get stiffer, their elastic recovery drops, and some compounds approach a glassy state. Seals can lose contact stress, dynamic parts can increase friction, and brittle cracking can occur if the material is near its cold limit. Elastomers low temperature behavior stiffness glass transition I write about low temperature behavior because I see buyers treat rubber like plastic. Rubber is not plastic. Rubber depends on elasticity, and cold attacks elasticity first. Why do elastomers become stiff […]
- [Which Elastomer Is Best for Oil Resistant Seals?](https://rubberandseal.com/which-elastomer-is-best-for-oil-resistant-seals/): Oil leaks are small at first. Then the equipment gets dirty. Then the seal swells or hardens. Then the downtime bill arrives. For most oil-resistant seals, I start with NBR for general mineral oils, HNBR for oil + higher heat and longer life, and FKM (Viton®) for hot oils, fuels, and aggressive fluids. The “best” elastomer depends on your oil type, temperature, pressure, and sealing design. Oil resistant seals elastomer selection I have seen many buyers ask for “the best oil rubber” like it is a single answer. I do not blame them. Procurement needs speed. Engineering needs safety. I […]
- [Is Silicone Rubber Chemically Resistant?](https://rubberandseal.com/is-silicone-rubber-chemically-resistant/): Many buyers hear “silicone is resistant,” then the seal swells, softens, or starts leaking. The mistake usually comes from one missing detail: the exact chemical and the temperature. Silicone rubber has good chemical resistance to water, many dilute acids and bases, and many polar fluids, and it has excellent resistance to ozone and weather. Silicone rubber is usually weak in fuels, many oils, and many non-polar solvents, so “chemical resistant” is not universal. Silicone rubber chemical resistance I treat chemical resistance as a risk map. I do not treat it as a label. I always connect the fluid name, concentration, […]
- [Which Material Is Better for High Temperature Seals?](https://rubberandseal.com/which-material-is-better-for-high-temperature-seals/): A high temperature seal can look perfect on day one, then leak after heat aging. I have seen this happen when buyers pick a “high temp” rubber without checking the real heat and media. The best material for high temperature seals depends on the heat type and the fluid. FKM is often best for hot oils and fuels, silicone is often best for hot air and wide temperature swings, and FFKM is best for extreme heat plus aggressive chemicals when budget allows. Best material for high temperature seals I always treat “high temperature” as a system question. I check the […]
- [What Type of Rubber Is Used for Seals?](https://rubberandseal.com/what-type-of-rubber-is-used-for-seals/): Wrong rubber turns a simple seal into a leak, a warranty claim, and a production delay. I have seen this happen when buyers pick by price or habit. Rubber seals use different elastomers based on heat, fluids, and lifetime targets. NBR is common for oils, EPDM is common for water and weather, FKM is common for high heat oils and fuels, and silicone is common for wide temperature and hygiene-focused uses. Rubber materials used for seals I do not treat “seal rubber” as one material. I treat it as a shortlist based on risk. I start with the service environment, […]
- [What Is Better, Natural Rubber or Silicone?](https://rubberandseal.com/what-is-better-natural-rubber-or-silicone/): Many buyers want one “best rubber.” That shortcut causes leaks, complaints, and reorders when the environment punishes the wrong material. Natural rubber is better when you need high tear strength, strong rebound, and shock damping at moderate temperatures, mostly indoors. Silicone is better when heat, UV, ozone, weather, and hygiene drive risk, and when you need flexibility in cold climates. Natural rubber vs silicone rubber I make this choice every week because I run a rubber parts factory and I see the same failure patterns again and again. I treat “better” as a risk question, not a marketing question. I […]
- [What is the difference between silicone rubber and natural rubber?](https://rubberandseal.com/silicone-rubber-vs-natural-rubber/): Many buyers treat rubber as one category. Many projects fail when heat, ozone, or oil attacks the wrong rubber and the seal loses contact. Silicone rubber is a synthetic elastomer built for wide temperature stability and weather resistance, while natural rubber is a bio-based elastomer known for strong elasticity and tear strength but weaker heat, ozone, and oil resistance. Silicone rubber vs Natural rubber I compare these two materials often because they can look similar in a finished part. I still see big differences in service life, sealing stability, and total cost. I will explain the differences in chemistry, performance, […]
- [Why Do Rubber Wheels Debond?](https://rubberandseal.com/why-do-rubber-wheels-debond/): A rubber wheel can look fine, then the tread slips on the core. The cart shakes, noise rises, and the floor gets marks. Buyers then blame “bad rubber,” but the real cause is often hidden. Rubber wheels debond when the rubber-to-core bond loses strength faster than the wheel load and heat allow, due to surface prep errors, wrong adhesive system, cure issues, contamination, or harsh service like overload, chemicals, and water ingress. Rubber wheel debonding root cause I make rubber wheels in my factory, and I also buy raw materials, manage molds, and ship to Europe. I learned one lesson […]
- [What Is a Salt Spray Test for Rubber Parts?](https://rubberandseal.com/what-is-a-salt-spray-test-for-rubber-parts/): A rubber part can pass dimensional checks and still fail outside. Salt mist can attack metal inserts, coatings, and bonds, and then the whole assembly starts leaking or loosening. A salt spray test exposes rubber parts (often with metal inserts, clamps, or coatings) to a controlled salt fog to evaluate corrosion risk and related failures like bond damage, coating breakdown, and sealing loss. Salt spray test for rubber parts I usually explain salt spray testing in one sentence: rubber does not rust, but rubber assemblies often fail because the metal and interfaces around the rubber start to rust or break […]
- [What Is a Tightness Test for Rubber Hose?](https://rubberandseal.com/what-is-a-tightness-test-for-rubber-hose/): A hose can look strong and still leak at the crimp, the liner, or the bend. A small leak can stop an entire system. A tightness test for a rubber hose checks whether the hose and its end fittings can hold pressure without unacceptable leakage under defined conditions like pressure, time, temperature, and test media. I use it to prove sealing integrity and to prevent field leaks before shipment. Tightness test for rubber hose I sell rubber parts in B2B projects, so I do not treat “no leak” as a feeling. I treat it as a measurable target. I also […]
- [What is the rubber quality control test?](https://rubberandseal.com/what-is-the-rubber-quality-control-test/): Many rubber parts look fine to the eye, but fail in service because nobody tested the right things before shipment. Rubber quality control tests are a set of standard lab and production checks that verify material, dimensions, and performance, so every batch of rubber parts works safely and consistently in real applications. Rubber quality control tests When I work with B2B buyers, I see one clear pattern. Good quality is never an accident. It comes from a clear QC test plan that both sides understand and follow from the first sample to the last pallet. What types of rubber quality […]
- [What is the TGA test for rubber products?](https://rubberandseal.com/what-is-the-tga-test-for-rubber-products/): Many rubber parts look similar, but the compound inside can be totally different and even unknown. The TGA test (thermogravimetric analysis) for rubber measures weight loss of a sample as temperature rises, so we can understand polymer type, fillers, volatiles, and thermal stability in a rubber compound. Thermogravimetric analysis of rubber When I work with new customers, they sometimes send me old samples without any data sheet. In these cases, TGA is one of my favorite tools. It helps me “see inside” the rubber without cutting it open in a chemical lab. How does the TGA test work for rubber […]
- [What are the tensile tests for rubber?](https://rubberandseal.com/what-are-the-tensile-tests-for-rubber/): Many rubber parts fail not because of hardness, but because the material cannot stretch and recover as the design expects. Tensile tests for rubber measure how much force and stretch a rubber sample can take before it breaks, so engineers and buyers can judge strength, flexibility, and safety margins for real applications. Tensile testing of rubber dumbbell specimen When I talk with B2B buyers, I see one common problem. They often receive “tensile data” from suppliers, but nobody explains what the numbers really mean for seals, gaskets, and hoses in the field. This article is my practical answer to that […]
- [Is silicone steam proof?](https://rubberandseal.com/is-silicone-steam-proof/): Many engineers think silicone is “magic” and will survive any heat and steam. I know how painful it is when that belief ends in leaks and unplanned shutdown. Silicone is not fully steam proof. It works in mild, low-pressure steam and short cycles, but in long-term, high-pressure steam it ages much faster than in dry heat and often fails early. Silicone gasket used with low-pressure steam So I never treat silicone as a universal “steam rubber”. I always check pressure, temperature, cycle time, and media before I say yes. What does “steam proof” really mean for silicone? People often use […]
- [Is EPDM good for steam?](https://rubberandseal.com/is-epdm-good-for-steam/): Steam looks harmless as “hot water”, but I have seen it destroy the wrong rubber gasket in a few weeks and stop a boiler or HVAC system. EPDM is usually very good for low- to medium-pressure saturated steam up to around 150 °C, if you use a steam-grade compound and keep it away from oils, fuels, and superheated steam. EPDM rubber gasket used in steam line When I help a customer choose a steam seal, I never look at temperature alone. I always check steam pressure, duty cycle, possible chemicals, and required lifetime. When is EPDM the right choice for […]
- [What is the best rubber for steam?](https://rubberandseal.com/what-is-the-best-rubber-for-steam/): Steam looks simple as “hot water”, but I know how fast it can destroy the wrong rubber and shut down a whole line with leaks and safety risks. There is no one “best” rubber for all steam, but in most industrial and HVAC systems a steam-grade EPDM is the first choice, with FKM or FFKM for special chemicals and temperatures, and silicone only in limited, low-pressure steam conditions. Best rubber for steam gasket When I help a customer choose a steam gasket or hose, I never look at temperature alone. I always check steam type, pressure, medium, cleaning cycle, and […]
- [What are neoprene sponge cords used for?](https://rubberandseal.com/what-are-neoprene-sponge-cords-used-for/): I know many buyers see “neoprene sponge cord” on a spec sheet and still cannot picture where it actually sits in the real product. Neoprene sponge cords are mainly used as soft, compressible seals in doors, hatches, panels, cabinets, HVAC systems, vehicles, and machinery where you need flexible gap filling, water resistance, and vibration damping. Neoprene sponge cord applications When I support a new project, I always ask three simple questions first: what gap do you want to seal, how much compression can you give, and what kind of environment do you face? Once we answer these, it becomes very […]
- [What are Neoprene Sponge Cords？](https://rubberandseal.com/what-are-neoprene-sponge-cords/): Many buyers see “Neoprene sponge cord” on a drawing or offer list, but they are not sure what it really is or when they should use it instead of solid rubber. Neoprene sponge cords are flexible round profiles made from closed-cell Neoprene® foam. They compress easily, spring back well, and provide water, air, and dust sealing in doors, hatches, panels, and machinery gaps. Neoprene sponge cord seal round gasket When I help customers with new sealing projects, I always start by asking three simple questions: what do you want to seal, how much compression do you have, and what environment […]
- [What is the temperature range for ACM rubber?](https://rubberandseal.com/what-is-the-temperature-range-for-acm-rubber/): I know how often drawings say “ACM 70 Shore A” without telling you what temperature it can really survive in the field. Most ACM rubber compounds work roughly from about −20 °C up to +150 °C in continuous service, with short peaks around +170 °C, but exact limits depend on grade, fluid, and design. ACM rubber temperature range When I help customers choose ACM, I never use one magic number. I always ask about oil type, static or dynamic sealing, time under compression, and how often the system sees temperature peaks. What is the typical temperature range for ACM rubber? […]
- [What is ACM rubber?](https://rubberandseal.com/what-is-acm-rubber/): I know how confusing it feels when a drawing just says “ACM rubber” and no one on the team can explain what that really means for performance and cost. ACM rubber is an acrylate-based synthetic rubber designed for high-temperature, hot-oil, and automatic transmission environments where standard NBR fails but full fluorocarbon (FKM) is still too expensive. ACM acrylate rubber material overview When I review sealing projects, I often see ACM sitting in the “middle ground”: stronger than NBR in hot oil, cheaper than FKM, and very popular in transmission and engine bay parts. What exactly is ACM rubber and how […]
- [Why do rubber seals swell?](https://rubberandseal.com/why-do-rubber-seals-swell/): I know the shock when you pull out a seal from a test rig and see it swollen, soft, and completely out of tolerance. Rubber seals swell when liquid, gas, or additives penetrate the rubber, attack the polymer network, or extract ingredients, so the material volume, hardness, and dimensions change beyond design limits. Rubber seal swelling causes When I investigate swelling problems for customers, I never blame “bad rubber” alone. I always check the medium, temperature, material, and test method together. Only then does the real root cause become clear. What makes rubber seals swell in the first place? Many […]
- [What is silicone rubber compound used for?](https://rubberandseal.com/what-is-silicone-rubber-compound-used-for/): I know silicone looks simple from the outside, but one compound can end up in coffee machines, EV chargers, baby products, and cleanrooms at the same time. Silicone rubber compound is used for seals, gaskets, hoses, cable insulation, keypads, medical and food-contact parts, and many high-temperature or hygienic components that need long-term flexibility and stability. Silicone rubber compound applications When I work with buyers, I always start from the real job: does the part need to seal, insulate, cushion, or touch food or skin? Once we answer that, the best silicone compound and design path become clear. What everyday and […]
- [What‘s the Differences Between Precipitated And Fumed Silicone Rubber?](https://rubberandseal.com/precipitated-vs-fumed-silicone-rubber/): I know the confusion when a compounder tells you “this is fumed silicone” or “this is precipitated silicone” and you wonder what that really changes in your part. Precipitated and fumed silicone rubber mainly differ in the silica filler they use. Fumed silica gives higher strength, better transparency, and higher cost. Precipitated silica gives easier processing, lower cost, and more general-purpose performance. Precipitated vs fumed silicone rubber When I choose between these two families for a new project, I do not start from price. I start from performance: strength, compression set, transparency, and process stability. After that, the “right” choice […]
- [Top 10 Rubber Product Defects & Proven Fixes](https://rubberandseal.com/top-10-rubber-product-defects-proven-fixes/): I know the pain when you open a carton, cut a few samples, and discover defects that kill your schedule and your customer’s trust. The top 10 rubber product defects usually come from trapped air, porosity, flash, short shots, surface burns, contamination, dimensional drift, hardness variation, and poor compression set. Each defect has clear process and design fixes. Rubber product defects and fixes When I debug defects in my own factory, I do not guess. I classify the defect, link it to material, mold, or process, and then I lock in a simple, repeatable fix that my team can follow […]
- [What Causes Voids Inside Rubber Parts?](https://rubberandseal.com/what-causes-voids-inside-rubber-parts/): I know the sinking feeling when you cut a rubber part for inspection and see an ugly void staring back at you from the middle. Voids inside rubber parts usually come from trapped air, moisture, poor flow, wrong cure profile, or volatile contamination. The root cause is a mix of part design, compound design, and molding process settings. Voids inside molded rubber parts When I run projects with new molds in my own factory, I never treat voids as simple “bubbles”. I look at the pattern, the location, and the process history. Then the real cause becomes much easier to […]
- [How to order bulk silicone rubber gaskets with fast delivery？](https://rubberandseal.com/how-to-order-bulk-silicone-rubber-gaskets-with-fast-delivery/): I know the stress when a big project is waiting for silicone gaskets and every day of delay burns money and trust with your own customers. You order bulk silicone rubber gaskets with fast delivery by preparing clear specs, choosing the right supplier and shipping method for your region, and building a simple repeat-order plan that protects you from lead time risks. Bulk silicone rubber gaskets fast delivery When I help overseas buyers, I never start from price. I start from their drawing, timeline, and risk. Once we make these clear, fast delivery becomes a predictable process instead of a […]
- [Where to buy custom silicone rubber gaskets?](https://rubberandseal.com/where-to-buy-custom-silicone-rubber-gaskets/): I know the stress when production stops because of a small gasket and you do not know which supplier you can really trust. You can buy custom silicone rubber gaskets from local converters, industrial distributors, online platforms, and direct-from-factory OEM suppliers. The best choice depends on your volume, temperature range, certifications, and how stable your design is. custom silicone rubber gaskets When I guide purchasing teams, I always start from their real project: is it a one-time urgent job, or a long-term OEM product? After that, the right channel usually becomes very clear and the risk drops a lot. Should […]
- [How to choose food-grade silicone gaskets for bottles?](https://rubberandseal.com/how-to-choose-food-grade-silicone-gaskets-for-bottles/): Leaky bottles ruin brands and waste money. I fix leaks with the right silicone gasket, not a stronger cap. Choose platinum-cured, FDA/LFGB-compliant silicone with the right hardness, geometry, and compression set. Size it to the neck finish. Verify with extraction tests and torque trials. Food-grade silicone gasket for bottles I will show my step-by-step method. I will also share checklists and tables that buyers can copy into drawings and POs. What makes a silicone gasket “food-grade” for bottles? Bad assumptions cause recalls. Many teams ask for “food safe” and stop there. I go deeper and remove doubt with documents. Food-grade […]
- [Why FDA Silicone Rubber Is Important For Food Processing?](https://rubberandseal.com/why-fda-silicone-rubber-is-important-for-food-processing/): Wrong gasket materials cause leaks, downtime, and recalls. I have seen this many times. FDA silicone rubber fixes the root problem: safe contact plus stable performance. FDA silicone rubber meets 21 CFR 177.2600 extraction limits, resists heat and cleaning chemicals, and stays flexible. It reduces contamination risk, improves uptime, and supports audit-ready documentation for food plants. Why FDA silicone rubber matters I will explain what “FDA silicone” really means, how I choose hardness and temperature range, and how I verify compliance with simple documents that pass audits. What does “FDA silicone rubber” actually mean? Most buyers assume “FDA grade” is […]
- [What is the HS code for rubber products?](https://rubberandseal.com/what-is-the-hs-code-for-rubber-products/): Many buyers fear customs delays and unexpected duties. I see this often in rubber projects. The root cause is wrong HS codes. The fix is a clear classification map. The HS code for rubber products sits in Chapter 40. Raw rubbers use 4001–4006. Semi-finished and finished articles use 4007–4017. Common B2B parts: gaskets 4016.93, hoses 4009.xx, belts 4010.xx, wheels/tires 4012.xx. HS Code chapter 40 overview I will break down the logic by product type. I will show quick tables and simple checks that I use in my factory. You can copy this into your RFQ and PO notes. Which HS […]
- [How to order rubber samples from China?](https://rubberandseal.com/how-to-order-rubber-samples-from-china/): Delays, guesswork, and unclear specs cause failed trials. You can avoid them with a simple, buyer-friendly path that gets samples right the first time. Prepare clear drawings and a short test plan, pick the proper rubber and hardness, align on a sample mold and lead time, confirm documents, then ship fast with agreed Incoterms and payment. How to order rubber samples from China You run the process with confidence when each step is clear. Procurement gets predictable timelines. Engineering gets usable data. What files and details should you send to start fast? You lose time when inputs are vague. Clear […]
- [What is the Difference Between Sample Molds and Mass Production Molds for Rubber Parts?](https://rubberandseal.com/sample-molds-vs-mass-production-molds-for-rubber-parts/): Having helped numerous clients transition from sampling to mass production, I've seen how crucial understanding these differences is. Making the wrong assumptions can lead to costly surprises. Sample molds and mass production molds differ primarily in design complexity, durability, cavity count, and automation level. Production molds cost 5-10 times more but offer higher efficiency and consistent quality. Rubber Wheels Mold I run both options in my factory. I start lean with proof, then I scale with confidence. This approach protects budgets and delivery dates for B2B buyers. What is a sample mold and when should I use it? Bad surprises […]
- [How to source custom rubber parts from China?](https://rubberandseal.com/how-to-source-custom-rubber-parts-from-china/): You face tight deadlines and strict specs. Late deliveries hurt projects. You must source fast and avoid costly mistakes. Start with a clear spec, shortlist true factories, validate process capability, then lock terms, samples, and QC. Use AQL inspections and milestone payments. Plan freight early to protect your go-live date. Custom rubber sourcing You will get a complete playbook you can copy today. It is simple, direct, and built for B2B buyers who care about quality, risk, and speed. What should you define before you contact suppliers? You win time before you send your first email. You remove ambiguity. You […]
- [How to tell a trading company from a factory when sourcing rubber parts from China?](https://rubberandseal.com/a-trading-company-vs-a-factory-when-sourcing-rubber-parts-from-china/): Buyers fear delays, bad quality, and hidden markups. I see this every week. The good news is simple. You can separate real factories from traders in one afternoon and protect your budget and timeline. You can tell a trading company from a factory by verifying licenses and certifications, auditing equipment lists, asking for mold workshop proof, and doing a live video tour during production. Then compare total landed cost and MOQ logic, and validate capacity with samples and documents. Julong Rubber Factory I run a rubber factory. I also work with some good trading partners. I will show you how […]
- [What is platinum-cured silicone rubber?](https://rubberandseal.com/what-is-platinum-cured-silicone-rubber/): When choosing silicone for food, medical, or high-purity applications, the wrong cure system can cause contamination, odor, or failure. The difference between platinum and peroxide curing isn't just chemistry—it's performance, safety, and cost. Platinum-cured silicone rubber uses a platinum catalyst to create a clean, stable, and high-purity elastomer with low extractables, making it ideal for medical, food-grade, and sensitive industrial uses. Platinum cured silicone gasket Platinum-cured silicone has become the go-to material for many critical applications, from baby bottle nipples to semiconductor tubing. Let me break down why engineers—and buyers like me—often pay more for it, and when it's actually […]
- [What is Platinum Cured Silicone Used For?](https://rubberandseal.com/what-is-platinum-cured-silicone-used-for/): Every day, I receive inquiries from buyers confused about platinum-cured silicone applications. Making the wrong choice can lead to failed inspections, product recalls, and damaged reputations. Platinum-cured silicone is primarily used in medical devices, food processing equipment, baby products, and pharmaceutical manufacturing due to its exceptional purity, biocompatibility, and zero by-products. Platinum Silicone Uses Let me share my decade of experience supplying platinum-cured silicone products to European markets to help you understand its critical applications. Why is platinum-cured silicone preferred in medical applications? Medical device failures can threaten patient safety and trigger costly recalls. Material selection is crucial for maintaining […]
- [What is the MOQ when order custom rubber parts from China?](https://rubberandseal.com/what-is-the-moq-for-custom-rubber-parts/): Projects die when warehouses sit empty or cash locks in slow stock. MOQ feels like a wall. I help buyers turn that wall into a door. Typical MOQ for custom rubber parts ranges from 200–3,000 pcs per SKU, driven by tooling method, part size, material, and color. You can lower MOQ with shared tooling, flexible specs, and staged releases. Custom rubber parts MOQ I run a factory in China that molds seals, gaskets, hoses, and wheels. I balance press time, batch size, and scrap risk every day. In this guide, I show how MOQ really works and how I negotiate […]
- [What is the hardness tolerance of rubber?](https://rubberandseal.com/what-is-the-hardness-tolerance-of-rubber/): Hardness decides seal force, comfort, and fit. Too soft leaks. Too hard cracks. Tolerance tells you how much drift is allowed. Typical rubber hardness tolerance is ±5 Shore A for general parts. Tight programs use ±3 Shore A or ±3 IRHD with strict test control. Method, thickness, and operator technique affect every reading. Rubber hardness durometer test I run a factory that measures hardness every shift. I see how setup, dwell time, and sample prep move the numbers. In this guide, I explain how to set realistic tolerance, how to measure it, and how to keep it stable from trial […]
- [What is DIN ISO 3302-1?](https://rubberandseal.com/what-is-din-iso-3302-1/): In my rubber manufacturing business, I often see confusion about tolerance standards leading to rejected parts and costly production delays. Understanding DIN ISO 3302-1 is crucial for quality control. DIN ISO 3302-1 is the international standard that defines dimensional tolerances for rubber molded parts. It specifies acceptable deviations in size and establishes tolerance classes from M1 (most precise) to M4 (least precise). DIN ISO 3302-1 Tolerance Classes Overview Let me share my experience implementing this standard in our factory to help you understand its practical applications. What are the different tolerance classes in DIN ISO 3302-1? Many buyers struggle to […]
- [What is a sample mold for rubber parts?](https://rubberandseal.com/what-is-a-sample-mold-for-rubber-parts/): Struggling with long lead times, high risk, and costly changes? A sample mold reduces risk fast and proves the design with real rubber parts. A sample mold is a lower-cost, faster-to-build tool used to make early trial parts in the correct rubber and hardness. It validates fit, function, process, and quality before I invest in a full production mold. sample mold prototype for rubber I use sample molds to turn drawings into touchable parts. Buyers see real samples. Engineers confirm dimensions and assembly. I confirm process windows and material choices. Why do I need a sample mold before mass production? […]
- [Why does rubber turn white (bloom)?](https://rubberandseal.com/why-does-rubber-turn-white-bloom/): Have you ever noticed your rubber products developing a strange white coating? This phenomenon, known as blooming, can cause worry about product quality and durability. Rubber blooming occurs when ingredients like waxes or sulfur migrate to the surface, creating a white, powdery appearance. While usually harmless, it can indicate manufacturing issues or environmental stress on the rubber. Rubber blooming on surface As a rubber manufacturer, I've seen countless cases of blooming and helped clients understand what it means for their products. Let's explore why this happens and what you can do about it. What causes rubber to turn white? Many […]
- [What Is the Difference Between Spliced and Vulcanized O-Rings?](https://rubberandseal.com/what-is-the-difference-between-spliced-and-vulcanized-o-rings/): Seal failure can cause downtime and loss. Confusing spliced and vulcanized O-rings often leads to poor choices and unexpected leakage. Spliced O-rings are cut from cord stock and bonded at the joint, while vulcanized O-rings are heat-cured for stronger bonds and higher durability. Spliced vs vulcanized O-rings Understanding how O-rings are joined is critical. Both splicing and vulcanization create circular seals, but their performance differs greatly. I will explain the difference so you can choose wisely. What are spliced O-rings? Spliced O-rings are made by cutting extruded rubber cord to length and joining the ends with adhesive or bonding material. […]
- [What Are the Top Applications of Spliced Rings?](https://rubberandseal.com/what-are-the-top-applications-of-spliced-rings/): Seal failure can disrupt entire projects. Choosing the wrong O-ring type for large or custom equipment often leads to costly downtime. Spliced rubber rings are mainly used in large static seals, custom machinery, prototypes, and HVAC systems where molded O-rings are impractical or too expensive. Spliced rubber rings applications Many engineers and buyers confuse spliced rings with molded or vulcanized seals. Spliced rings are not weak replacements. They solve specific sealing challenges where flexibility and quick production matter most. Why are spliced rings popular? Spliced rings do not need expensive molds. They can be produced quickly in almost any diameter. […]
- [What Materials Are Used in Spliced Rubber Rings?](https://rubberandseal.com/what-materials-are-used-in-spliced-rubber-rings/): Seal performance depends not only on size and design but also on the material. The wrong choice may cause swelling, cracking, or leaks in service. Spliced rubber rings are made from materials like EPDM, NBR, silicone, Viton (FKM), and neoprene, each chosen for specific resistance to temperature, chemicals, or environment. Spliced rubber ring materials When buyers select spliced rings, they often ask which rubber compound suits their project best. The answer depends on pressure, medium, and environmental exposure. I will explain the main material options. Why does material selection matter? Material choice defines resistance to temperature, oil, water, ozone, and […]
- [Which is better, molded or spliced O-rings?](https://rubberandseal.com/which-is-better-molded-or-spliced-o-rings/): Problems with seal failure can stop an entire system. Wrong O-ring choice means wasted time, money, and customer trust. Molded O-rings provide higher precision and strength, while spliced O-rings offer flexibility for larger or custom sizes. The better choice depends on application, sealing pressure, and budget. Spliced O-ring vs molded O-ring Many buyers confuse molded and spliced O-rings. Both are circular seals, but the way they are made defines performance. I want to explain the difference and guide you in choosing the right one. What are molded O-rings? Molded O-rings are produced in dedicated molds under heat and pressure. They […]
- [What are HNBR O-rings used for?](https://rubberandseal.com/what-are-hnbr-o-rings-used-for/): Procurement officers often ask me where HNBR O-rings are most valuable. Many confuse them with standard nitrile O-rings, but HNBR serves tougher applications. HNBR O-rings are used in automotive, HVAC, oil & gas, hydraulic, and industrial systems. They handle oils, fuels, refrigerants, and high temperatures where standard NBR fails. HNBR O-rings applications I usually recommend HNBR O-rings when buyers need a balance of cost and performance between NBR and Viton. Let’s see where they work best. Why are HNBR O-rings used in automotive systems? Engines and fuel systems demand oil- and heat-resistant seals. NBR O-rings fail too early in modern […]
- [What color are HNBR O-rings?](https://rubberandseal.com/what-color-are-hnbr-o-rings/): Buyers often ask about O-ring colors to avoid confusion during installation. Color coding helps distinguish materials quickly, especially between NBR, HNBR, and Viton. HNBR O-rings are most commonly green, but they are also available in black and custom colors depending on industry or supplier requirements. HNBR O-rings colors I often ship green HNBR O-rings to automotive clients because green has become the informal industry standard to separate them from black NBR O-rings. Why are HNBR O-rings usually green? Green has become the most recognizable color for HNBR. It helps technicians avoid mixing HNBR with cheaper rubbers. Green HNBR O-rings are […]
- [Are HNBR O-rings oil resistant?](https://rubberandseal.com/are-hnbr-o-rings-oil-resistant/): Many engineers worry about seal failures when exposed to oils. Not all elastomers can survive fuels, lubricants, and synthetic oils without breaking down. Yes, HNBR O-rings are highly oil resistant. They perform better than standard NBR and can withstand mineral oils, fuels, synthetic lubricants, and aggressive automotive fluids. HNBR O-rings I often recommend HNBR O-rings for automotive and HVAC clients who need seals that last longer in oil-heavy environments. Let’s see why. Why are HNBR O-rings oil resistant? HNBR is hydrogenated nitrile rubber, an upgraded form of NBR. The hydrogenation process saturates the polymer chain, making it more resistant to […]
- [What material is equivalent to HNBR?](https://rubberandseal.com/what-material-is-equivalent-to-hnbr/): Many buyers ask if they can find a cheaper or alternative material to HNBR. Some hope to match its performance without paying the extra cost. Materials often considered equivalent to HNBR include high-grade NBR, EPDM, and FKM (Viton). Each can replace HNBR in some cases, but none are identical. HNBR equivalent materials I have seen clients switch from HNBR to NBR for cost savings, or upgrade to Viton for chemical resistance. The decision depends on balance between budget and performance. Why is NBR sometimes used instead of HNBR? NBR is the base material from which HNBR is derived. It is […]
- [Is HNBR better than Viton?](https://rubberandseal.com/is-hnbr-better-than-viton/): Many buyers face this tough choice. Both HNBR and Viton are strong performers, but they serve different needs. Picking the wrong one can lead to costly failures. HNBR is better for cost, elasticity, and dynamic sealing. Viton (FKM) is better for extreme heat, chemicals, and long-term stability. Neither is universally better; the choice depends on application. HNBR vs Viton I often meet customers who ask me if they can replace Viton with HNBR to save money. The truth is, sometimes yes, sometimes no. Let’s break it down. What is HNBR rubber? HNBR is hydrogenated nitrile butadiene rubber. It is created […]
- [What is a dishwasher door seal?](https://rubberandseal.com/what-is-a-dishwasher-door-seal/): Water leaking during dishwashing operations can interrupt production and cause costly downtime. In many cases, the cause is a worn or poorly designed door seal. A dishwasher door seal is an industrial-grade rubber gasket that creates a watertight barrier around the door frame, preventing leaks and ensuring reliable operation in commercial and professional dishwashers. Dishwasher rubber door seal In B2B supply, a faulty seal is not just a household inconvenience. It is a risk for restaurants, hotels, and distributors who rely on consistent machine performance. How does a dishwasher door seal work? Industrial dishwashers handle high volumes and long cycles. […]
- [What is the difference between NBR and HNBR?](https://rubberandseal.com/nbr-vs-hnbr/): Many buyers get confused between NBR and HNBR. Both sound similar, but their performance and costs are very different. Choosing the wrong one can cause seal failure. NBR is nitrile butadiene rubber, while HNBR is hydrogenated nitrile butadiene rubber. HNBR offers better heat, oil, and ozone resistance than NBR due to hydrogenation. NBR vs HNBR I often meet customers who think HNBR is just a harder version of NBR. In reality, it is a chemically upgraded material that solves many of NBR’s weaknesses. What is NBR rubber? NBR is a widely used synthetic rubber made from acrylonitrile and butadiene. It […]
- [What are the applications of rubber seals?](https://rubberandseal.com/what-are-the-applications-of-rubber-seals/): Rubber seals are everywhere, yet many buyers overlook them until leakage or failure happens. This small part often controls the reliability of an entire system. Rubber seals are used in automotive, HVAC, plumbing, aerospace, machinery, and food industries. They provide leak prevention, dust protection, vibration isolation, and chemical resistance. Rubber seal applications I often explain to clients: seals are not just black rings. They are engineered solutions that protect equipment, save costs, and extend service life. Let’s look at where they work. Why are rubber seals used in automotive systems? Automotive systems demand tight sealing against oil, fuel, and heat. […]
- [What is the difference between PTFE and rubber?](https://rubberandseal.com/what-is-the-difference-between-ptfe-and-rubber/): Many buyers mix up PTFE and rubber. Both are used in seals and gaskets, but they behave very differently. Knowing the difference avoids costly mistakes. PTFE is a rigid plastic fluoropolymer with high chemical and temperature resistance, while rubber is an elastic elastomer with flexibility, rebound, and sealing under dynamic conditions. PTFE vs Rubber I often meet customers who ask me if PTFE is a type of rubber. I always explain that they are built on different chemistry, which defines their use in industry. What is PTFE? PTFE stands for polytetrafluoroethylene. It is a synthetic fluoropolymer of tetrafluoroethylene. Its non-stick […]
- [What is HNBR rubber?](https://rubberandseal.com/what-is-hnbr-rubber/): Buyers often hear the term HNBR but struggle to understand what it really means. Some confuse it with standard nitrile, while others assume it behaves like Viton. HNBR (Hydrogenated Nitrile Butadiene Rubber) is a synthetic elastomer made by hydrogenating NBR. It offers superior heat, oil, and ozone resistance compared to standard nitrile rubber. HNBR rubber O-rings I have seen many engineers upgrade from NBR to HNBR when performance demands rise. Let’s take a closer look. How is HNBR made? HNBR is produced by hydrogenating nitrile butadiene rubber (NBR). This process adds hydrogen to the polymer chain, reducing double bonds. Hydrogenation […]
- [Is PTFE a rubber or plastic?](https://rubberandseal.com/is-ptfe-a-rubber-or-plastic/): PTFE often confuses buyers. It looks flexible, yet it performs rigidly in use. Many people mistake it for rubber, while others classify it as plastic. PTFE (polytetrafluoroethylene) is a high-performance plastic, not a rubber. It is classified as a fluoropolymer with excellent chemical resistance, low friction, and high temperature resistance. PTFE is a high-performance plastic PTFE is often compared with elastomers. I meet customers who ask me if PTFE gaskets are similar to rubber seals. That confusion is common. Let’s break it down step by step. What is PTFE made of? PTFE comes from polymerized tetrafluoroethylene monomers. Its structure is […]
- [What is the difference between fumed silicone rubber and common silicone rubber?](https://rubberandseal.com/fumed-silicone-rubber-vs-common-silicone-rubber/): Many buyers think all silicone rubbers are the same. But differences in formulation can decide whether a seal lasts for months or years. Fumed silicone rubber uses fumed silica as filler, giving higher strength, tear resistance, and transparency. Common silicone rubber uses precipitated silica, offering lower cost but less performance. Fumed vs Common silicone rubber When I talk to engineers, they often ask why two silicones can look alike but perform differently. The answer is hidden in the filler type and how it changes the rubber’s properties. Why does filler type matter? Some rubbers rely on cheaper fillers that reduce […]
- [What is fumed silicone rubber?](https://rubberandseal.com/what-is-fumed-silicone-rubber/): Problems with rubber parts not lasting long enough often come from material limits. Poor resistance to heat or chemicals can lead to early failure. Fumed silicone rubber is a type of silicone made with fumed silica as a reinforcing filler. It offers higher strength, better transparency, improved tear resistance, and excellent electrical insulation compared to common silicone rubber. Fumed silicone rubber properties I often get questions from customers who want seals that last longer in extreme conditions. Understanding fumed silicone helps me explain why it can be the right choice for demanding projects. How is fumed silicone rubber different from […]
- [What are rubber springs?](https://rubberandseal.com/what-are-rubber-springs/): Rubber springs solve vibration and shock problems in machines. Without them, equipment breaks down faster, workers face noise, and operating costs rise. Rubber springs are elastic elements made of rubber that absorb shocks, reduce noise, and control vibration. They replace metal springs in many machines, providing damping and durability. Rubber springs Rubber springs are everywhere in industry. They are in vehicles, machinery, elevators, and even bridges. To understand why they matter, I want to share my experience working with them in different projects. How do rubber springs work? Rubber springs act differently from steel springs. The problem is vibration and […]
- [What's the difference between a T-seal and an O-ring?](https://rubberandseal.com/whats-the-difference-between-a-t-seal-and-an-o-ring/): Choosing the wrong seal leads to leakage, machine downtime, and costly failures. Many people confuse T-seals with O-rings, but they are very different. A T-seal has a T-shaped elastomer profile with backup rings for high-pressure resistance, while an O-ring is a simple round cross-section seal that is cheaper but less stable under pressure. Difference between t-seal and o-ring Both types of seals are widely used, but their designs, strengths, and applications are not the same. Knowing the differences helps me select the right solution. What is an O-ring? An O-ring is one of the most common seals in the world. […]
- [What is a T seal?](https://rubberandseal.com/what-is-a-t-seal/): Seal failures in hydraulic and pneumatic systems cause downtime and high repair costs. A T seal is a design that prevents leakage under pressure and motion. A T seal is a high-performance sealing element shaped like the letter “T,” combining an elastomer sealing element with backup rings to resist extrusion and provide reliable sealing in dynamic and static applications. What is a T seal The “T” profile helps the seal stay stable in its groove, while the backup rings support it under high pressure. This makes it more reliable than a standard O-ring in demanding environments. How does a T […]
- [What is the main purpose of the oil seal?](https://rubberandseal.com/what-is-the-main-purpose-of-the-oil-seal/): Oil leaks are a nightmare for any engineer or maintenance manager. They can damage equipment, pollute the environment, and cause unexpected downtime. But how does such a small part as an oil seal prevent these big problems? The main purpose of an oil seal is to reliably retain lubricants (oil or grease) inside machines while blocking out contaminants like water, dust, or chemicals. Oil seals protect moving parts, ensure efficient operation, and extend the service life of equipment. Main purpose of oil seal Years ago, a client’s production line halted when a gearbox leaked oil due to a failed seal. […]
- [What is the difference between a lip seal and an oil seal?](https://rubberandseal.com/what-is-the-difference-between-a-lip-seal-and-an-oil-seal/): Sealing failures lead to leaks, downtime, and costly repairs. Knowing the difference between a lip seal and an oil seal helps avoid mistakes in selection. A lip seal is a broad category of seals with flexible edges (“lips”) that prevent fluid leakage. An oil seal is a specific type of lip seal designed to retain lubricating oil and exclude dirt around rotating shafts. Difference between lip seal and oil seal Both terms are often used interchangeably, but they are not the same. Understanding their structural differences, materials, and functions helps me choose the right seal for each application. What is […]
- [What do anti-vibration mounts do?](https://rubberandseal.com/what-do-anti-vibration-mounts-do/): When a machine runs, it shakes. That shaking creates noise, damages equipment, and spreads through walls, floors, or even vehicles. Anti-vibration mounts are the small components that solve a big problem. Anti-vibration mounts absorb vibration, reduce shock, and isolate noise between a vibrating machine and its base. They prevent the transfer of energy that would otherwise cause wear, failure, or discomfort. What do anti-vibration mounts do One customer had constant noise complaints from HVAC units on a rooftop. We installed rubber vibration isolators under each compressor, and the complaints stopped overnight. What exactly do anti-vibration mounts achieve? Anti-vibration mounts are […]
- [What is the best material for anti-vibration mounts?](https://rubberandseal.com/what-is-the-best-material-for-anti-vibration-mounts/): Choosing the wrong mount material can lead to machine noise, early failure, or poor isolation. If you want reliable vibration control in engines, compressors, HVAC systems, or industrial machines, it all starts with choosing the right rubber compound. So—what’s the best material for anti-vibration mounts? The best material for anti-vibration mounts depends on the application, but common options include natural rubber (NR), neoprene (CR), EPDM, nitrile (NBR), and silicone. Each has unique strengths for shock absorption, environmental resistance, and longevity. Best material for anti vibration mounts I remember one client who used NBR mounts for outdoor generators. After frequent cracking, […]
- [What are anti-vibration mounts?](https://rubberandseal.com/what-are-anti-vibration-mounts/): Machines that run hard also shake hard. That vibration causes noise, wear, fatigue—and even structural damage. So how do you keep things running smoothly and quietly? The answer is anti-vibration mounts. Anti-vibration mounts are flexible components—usually made of rubber or elastomer—that isolate and absorb vibration and shock between equipment and its mounting surface. They reduce noise, protect machines, and improve stability. What are anti-vibration mounts I once helped a client whose floor-mounted motor was vibrating so badly it cracked tiles. We added anti-vibration mounts under the base, and just like that—the noise dropped, the floor stayed intact, and the motor […]
- [What is the function of rubber isolators?](https://rubberandseal.com/what-is-the-function-of-rubber-isolators/): Machines hum, engines shake, and equipment vibrates. Without proper isolation, this movement leads to noise, damage, and fatigue. That’s where rubber isolators come in—protecting people, equipment, and structures every day. The main function of rubber isolators is to absorb and isolate vibration, shock, and noise between two connected components. They prevent the transmission of unwanted energy from machines to surrounding structures or from external forces to sensitive equipment. Function of rubber isolators I remember helping a client whose air compressors were causing cracks in nearby walls. The fix? Installing rubber isolators under each unit. The vibration disappeared—and so did the […]
- [Is rubber an isolator?](https://rubberandseal.com/is-rubber-an-isolator/): Vibration, noise, and even unwanted electric currents can cause problems in machines, vehicles, and buildings. Many people ask: is rubber actually an isolator? The answer is yes—and in more ways than one. Rubber is an excellent isolator. It is used to isolate vibration, shock, and noise in mechanical systems, and also acts as an electrical insulator due to its high resistance to electric current. Is rubber an isolator In my factory visits, I’ve seen rubber pads under machines, bushings in cars, and even rubber gloves in electrical work—all using rubber’s natural isolating properties to solve different problems. How does rubber […]
- [What is the best material for oil seals?](https://rubberandseal.com/what-is-the-best-material-for-oil-seals/): Oil seals are critical for keeping lubricants in and contaminants out of engines, gearboxes, and hydraulic systems. If you want long-lasting, leak-free performance, choosing the right material for your oil seal is key. But with so many options, which is truly the best? The best material for oil seals depends on the application, but common choices include NBR (nitrile rubber), FKM (Viton®), silicone, and PTFE. Each offers unique advantages for different oils, temperatures, and environments. Best material for oil seal When a client complained about frequent leaks in their hydraulic system, we found their seals were made from the wrong […]
- [What are the products of the automotive industry?](https://rubberandseal.com/what-are-the-products-of-the-automotive-industry/): When you think of the automotive industry, you probably picture cars and trucks. But in reality, this industry is a global ecosystem producing thousands of different products—each essential for modern transportation, safety, and comfort. The products of the automotive industry include complete vehicles (cars, trucks, buses), engines, transmissions, chassis, body panels, interior parts, electronic systems, tires, batteries, glass, lighting, and countless small components such as seals, hoses, and fasteners. Products of the automotive industry In my daily work with automotive customers, I’ve seen how a single car can require thousands of specialized parts, from rubber seals to advanced navigation systems. […]
- [What are rubber stoppers made of?](https://rubberandseal.com/what-are-rubber-stoppers-made-of/): Choosing the right stopper means the difference between a tight, reliable seal and constant leaks or chemical attacks. Have you ever wondered what makes a rubber stopper both flexible and durable? Rubber stoppers are made from a variety of elastomeric materials, including natural rubber, EPDM, nitrile (NBR), neoprene (CR), and silicone. The specific compound is chosen based on chemical, heat, and physical requirements. What are rubber stoppers made of I remember a customer who needed stoppers for an acid storage tank. We tested regular natural rubber, but it failed quickly. Switching to EPDM, which resists acids and ozone, solved the […]
- [What are the characteristics of rubber stoppers?](https://rubberandseal.com/what-are-the-characteristics-of-rubber-stoppers/): If you want a leak-proof, reusable, and reliable closure for bottles, tubes, or flasks, choosing the right material matters. Rubber stoppers are the industry standard because of their unique properties that other materials can’t match. Rubber stoppers are flexible, compressible, chemically resistant, durable, airtight, and can withstand repeated use. They come in various sizes and types for different applications. Characteristics of rubber stoppers I remember a customer who tried plastic caps for chemical flasks but kept having leaks. Switching to quality rubber stoppers solved the problem overnight and saved them money in the long run. What are the main characteristics […]
- [What is a rubber stopper used for?](https://rubberandseal.com/what-is-a-rubber-stopper-used-for/): Spills, leaks, and contamination are constant worries in labs, factories, and even homes. If you’ve ever handled glassware or liquid chemicals, you know the importance of keeping containers securely closed. The rubber stopper is the trusted solution for creating a reliable seal, every time. A rubber stopper is used to seal the openings of bottles, test tubes, flasks, and other containers. It prevents the entry or escape of liquids, gases, or contaminants, ensuring a leak-proof and airtight environment. What is a rubber stopper used for In my first year working with laboratory customers, I saw a client lose an entire […]
- [What are rubber bumpers used for?](https://rubberandseal.com/what-are-rubber-bumpers-used-for/): Noisy doors, shaking machines, and scratched furniture are daily frustrations. Ever wondered what simple part can stop the noise, absorb shock, and protect surfaces? Rubber bumpers are the unsung heroes found in countless places. Rubber bumpers are used to absorb impact, reduce vibration, prevent slipping, minimize noise, and protect equipment, furniture, and surfaces from damage. They serve as stoppers, cushions, spacers, and vibration dampers. What are rubber bumpers used for One time, a factory called me about constant noise from metal carts banging against walls. After installing rubber bumpers, complaints stopped overnight. That’s how effective this small part can be. […]
- [What are rubber bumpers made of?](https://rubberandseal.com/what-are-rubber-bumpers-made-of/): Ever noticed how some bumpers last for years, while others crack, flatten, or fail within months? The secret is in the material. If you want bumpers that can handle daily impact and last longer, knowing the material is the key. Rubber bumpers are made from durable elastomers such as natural rubber, NBR (nitrile), EPDM, silicone, neoprene (CR), and TPE. The choice depends on required resistance to oil, temperature, weather, and application environment. what are rubber bumpers made of I remember working with a factory that had constant complaints about machine feet breaking down. They were using the wrong rubber compound. […]
- [What are rubber bumpers?](https://rubberandseal.com/what-are-rubber-bumpers/): Noise, vibration, and impact can cause damage and discomfort in machinery, vehicles, and even in your home. Have you ever wondered what simple solution can absorb shock, reduce noise, and protect equipment from wear? Rubber bumpers are the small but powerful answer. Rubber bumpers are resilient pads or stoppers made from durable rubber compounds. They are designed to absorb impact, reduce noise, prevent vibration, and protect surfaces from damage by acting as cushions or barriers. What are rubber bumpers When I first started in the rubber business, a customer asked for a way to stop metal doors from slamming shut. […]
- [How does the piston lip seal function?](https://rubberandseal.com/how-does-the-piston-lip-seal-function/): If you struggle with leaking hydraulic systems or air cylinders, you are not alone. Many engineers and buyers face costly downtime and messes from a simple failure: bad sealing. Is there a smarter way to prevent leaks? A piston lip seal works by using a flexible lip to press tightly against the cylinder wall, preventing fluid or air from passing around the piston. The lip deforms under pressure to create a dynamic, reliable seal even in demanding conditions. Piston lip seal function When I first visited a customer's plant, I watched a technician replace a failed seal in a large […]
- [What Is Rubber Best Used For?](https://rubberandseal.com/what-is-rubber-best-used-for/): Tough environments, demanding applications, and constant wear call for materials that can deliver flexibility, durability, and protection. But what is rubber really best used for? Rubber is best used for sealing, vibration absorption, electrical insulation, shock protection, and creating flexible, durable components. Its unique elasticity and resistance to heat, chemicals, and weather make it ideal for industrial, automotive, electrical, and consumer products. Best uses of rubber With years of experience supplying custom rubber parts, I’ll break down where rubber truly excels—and why it’s irreplaceable in so many industries. What Are the Most Common Uses for Rubber? From industrial factories to […]
- [What Is Rubber Used for in Electrical?](https://rubberandseal.com/what-is-rubber-used-for-in-electrical/): Electrical failures from moisture, heat, or physical damage can cause dangerous situations. So, why is rubber a trusted material in electrical systems? Rubber is used in electrical applications primarily as an insulator, protecting wires, cables, and components from electric shock, moisture, chemicals, abrasion, and environmental hazards. It is essential for safety and performance in power distribution, equipment, and devices. Rubber for electrical use Let me explain how rubber is applied in electrical systems, what types are used, and why its properties are vital for modern industry. How Is Rubber Used in Electrical Systems? Rubber appears in many critical places. How […]
- [What Is a Rubber Oil Hand Pump?](https://rubberandseal.com/what-is-a-rubber-oil-hand-pump/): Spilled oil, messy maintenance, or hard-to-reach machinery parts can make equipment servicing a hassle. Have you ever struggled with transferring oil safely and efficiently? A rubber oil hand pump is a manually operated tool, usually made from rubber and plastic, designed to transfer or extract oil, fuel, or other fluids from tanks, containers, or machinery by squeezing a flexible bulb or handle. Rubber oil hand pump Let me share how this simple but essential tool works, its typical uses, and what you should look for when selecting one for your maintenance tasks. How Does a Rubber Oil Hand Pump Work? […]

## Pages

- [Fabricantes de caucho](https://rubberandseal.com/fabricantes-de-caucho/): Fabricante de piezas de caucho desde 1995 ¡SIN intermediarios, solo ahorros y sonrisas! ¡Obtenga precio de fábrica a partir de 200 piezas! Cotización rápida ¿Está buscando productos de caucho personalizados? Productos de sellado de caucho quick quote Piezas de protección contra el polvo quick quote Junta de tapa de válvulas quick quote Fundas protectoras de goma quick quote Piezas de amortiguación de vibraciones quick quote Mangueras de goma quick quote Ruedas de goma quick quote Piezas de caucho de silicona quick quote Productos de aislamiento quick quote Productos de caucho antideslizante quick quote Nuestra fábrica Información Lo que nos diferencia […]
- [Gummi Hersteller](https://rubberandseal.com/gummi-hersteller/): Hersteller von Gummiteilen seit 1995 Keine Zwischenhändler, nur Einsparungen und Lächeln! Erhalten Sie den Fabrikpreis ab 200 Stück! Schnelles Angebot Suchen Sie nach kundenspezifischen Gummiprodukten? Produkte zur Gummidichtung Schnelles Angebot Teile zum Staubschutz Schnelles Angebot Ventildeckeldichtung Schnelles Angebot Gummi-Schutzhülsen Schnelles Angebot Teile zur Vibrationsdämpfung Schnelles Angebot Vorgeformte Gummischläuche Schnelles Angebot Gummi-Aluminium-Räder Schnelles Angebot Silikonkautschukteile Schnelles Angebot Isolierprodukte Schnelles Angebot Rutschfeste Gummiprodukte Schnelles Angebot Einblick in unsere Fabrik Was uns auszeichnet Kundenspezifische LösungenMaßgeschneiderte Gummiteile. Umfassende Expertise in der Materialauswahl
- [Flexible Rubber Bellows](https://rubberandseal.com/flexible-rubber-bellows/): Custom Rubber Bellows Manufacturer NO Middlemen,Just Savings and Smiles! Get Factory Price start from  100pcs! quick quote Any Rubber Bellows, Made to Order – Your Vision, Our Craftsmanship Automotive Rubber Bellows Ask for Details Rubber Shaft Bellows Ask for Details Flexible Rubber Bellows Ask for Details Rubber Telescopic Tube Ask for Details EPDM Bellows Ask for Details Rubber Bellows Boot Ask for Details Rubber Expand Joint Ask for Details Silicone Bellows Ask for Details What We’re Offering Markets We Served Rubber bellows are essential in managing movement, reducing vibration, and providing protection across industries, including automotive, industrial, HVAC, plumbing, aerospace, […]
- [All Rubber Wheels](https://rubberandseal.com/all-rubber-wheels/): Rubber Wheels High-Quality Rubber Wheels for Maximum Performance and Durability Discover our wide range of rubber wheels designed for industrial strength and smooth operation. Explore sizes, materials, and custom options. Get the best wheels for your needs now! Rubber Wheels Introduction to Rubber Wheels Rubber wheels are a critical component in a vast array of industries, renowned for their versatility and resilience. These wheels have become the cornerstone for applications requiring reliable and durable mobility solutions. Rubber, as a material, is valued for its elasticity, cushioning properties, and ability to absorb shock, making it an excellent choice for wheel construction. […]
- [Custom Silicone Rubber Parts](https://rubberandseal.com/custom-silicone-rubber-parts/): Julong Rubber Custom Silicone Rubber Parts Manufacturer Since 1995 No Middlemen,Just Savings and Smiles! Just 100pcs to kickstart Your journey! Get Free Samples Now! Trusted by world-class brands of all sizes. Silicone Excellence: Your Solutions, Our Expertise Tailored Silicone Products for Every Application Explore our range of premium silicone solutions meticulously crafted to meet your unique needs. From durable seals to flexible components, our silicone excellence ensures unmatched quality and performance for your projects. Rain Water Collector Silicone Parts for Garden Quote Now Silicone Kitchenwares Silicone Parts for Household Quote Now Custom Silicone Parts Silicone Parts for Every Application Quote […]
- [Custom Rubber Gaskets](https://rubberandseal.com/rubber-gaskets/): Custom Rubber Gaskets Custom Rubber Gaskets The Importance of Rubber Gaskets in Sealing Applications Whether in automotive engines, aerospace components, or industrial machinery, rubber gaskets play an indispensable role in maintaining integrity. They serve as the first line of defense against leaks, vibrations, and external contaminants. What Are Custom Rubber Gaskets? Custom rubber gaskets, as the name suggests, are tailor-made sealing solutions designed to meet precise specifications. Unlike standard gaskets available in fixed sizes and shapes, custom gaskets can be crafted to fit unique contours, making them ideal for specialized applications.Custom rubber gaskets are precisely engineered seals made from elastomeric […]
- [Food and Drug Administration (FDA) Approved Elastomers](https://rubberandseal.com/food-and-drug-administration-fda-approved-elastomers/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Food and Drug Administration (FDA) Approved Rubber Ensuring Safety in Food and Pharmaceutical Contact FDA-approved elastomers are those that meet the stringent standards set by the FDA for applications where the rubber will come into direct contact with food or drugs. These elastomers are free from harmful chemicals or additives that might leach into the product they're […]
- [Epichlorohydrin Rubber (ECO)](https://rubberandseal.com/epichlorohydrin-rubber-eco/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Epichlorohydrin Rubber (ECO) Outstanding Fuel and Oil Resistance Epichlorohydrin rubber, known as ECO, offers excellent resistance to fuel, oil, and other hydrocarbons. This makes it valuable in automotive and industrial applications where such resistance is paramount. ECO also provides good resistance to sunlight, ozone, and oxidation, and it can operate in a reasonably broad temperature range. Epichlorohydrin […]
- [Ethylene Acrylic Elastomer (AEM)](https://rubberandseal.com/ethylene-acrylic-elastomer-aem/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Ethylene Acrylic Elastomer (AEM) Long Heat Resistance with Enhanced Flexibility AEM combines the best of both worlds from acrylics and EPDM. It offers excellent heat resistance and retains flexibility over a broad temperature range. It also provides good resistance to ozone, weathering, and many oils and lubricants. Ethylene Acrylic Elastomer (AEM): Selection Guide Ethylene Acrylic Elastomer (AEM), […]
- [Acrylate Rubber (ACM)](https://rubberandseal.com/acrylate-rubber-acm/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Acrylate Rubber (ACM) Exceptional Resistance to Heat and Oil ACM rubbers are known for their excellent resistance to both heat and oil. They function well under continuous heat, making them especially valuable for automotive transmission applications. However, they are not recommended for applications involving exposure to water or high humidity. Acrylate Rubber (ACM):Selection Guide Acrylate Rubber (ACM) […]
- [Hydrogenated Nitrile Butadiene Rubber (HNBR)](https://rubberandseal.com/hydrogenated-nitrile-butadiene-rubber-hnbr/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Hydrogenated Nitrile Butadiene Rubber (HNBR) Enhanced Oil and Temperature Resistant Elastomer HNBR is an improved version of nitrile rubber, having undergone a hydrogenation process to increase its thermal stability and oxidation resistance. This gives HNBR an edge, especially in demanding conditions. It retains its oil resistance, and its temperature resistance is significantly enhanced.Hydrogenated Nitrile Butadiene Rubber (HNBR) […]
- [Chlorosulfonated Polyethylene CSM](https://rubberandseal.com/chlorosulfonated-polyethylene-csm/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Chlorosulfonated Polyethylene (CSM) The Durable Weather and Chemical Resistant Rubber Chlorosulfonated Polyethylene, commonly referred to as CSM or by its trade name Hypalon, stands out because of its superior resistance to environmental conditions. It possesses an inherent ability to combat degradation from ozone, UV light, and adverse weather conditions, which is why it's frequently chosen for outdoor […]
- [Rubber molded parts](https://rubberandseal.com/rubber-molded-parts/): Custom Rubber Parts Manufacturer Since 1995 NO Middlemen,Just Savings and Smiles! Get Factory Price start from  500pcs! quick quote Custom Rubber Products, Tailored to Your Needs. Rubber Sealing Products quick quote Dust Protection Parts quick quote Valve Cover Gasket quick quote Rubber Protective Sleeves quick quote Vibration Damping Parts quick quote Rubber Preshaped Hoses quick quote Rubber Aluminum Wheels quick quote Silicone Rubber Parts quick quote Insulation Products quick quote Anti-Slip Rubber Products quick quote From Your Needs to Reliable Solutions: Our Rubber Production Process. What set us Apart Custom SolutionsTailored rubber parts. Extensive expertise in material selection
- [Sponge Rubber](https://rubberandseal.com/sponge-rubber/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Sponge Rubber The Versatile Cushioning Solution Sponge rubber is a unique material, differentiated by its cellular structure which allows it to compress and rebound. This rubber type has a matrix of connected air pockets, which offers distinct cushioning characteristics. Because of its elasticity and resilience, sponge rubber has the ability to return to its original shape after […]
- [Polyurethane Rubber PU](https://rubberandseal.com/polyurethane-rubber-pu/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Polyurethane Rubber The Versatile Powerhouse of Resilience Polyurethane rubber, abbreviated as PU, boasts a remarkable balance between toughness and elasticity. Its unique composition offers an impressive blend of the flexibility seen in rubber and the durability of plastic. This means it can absorb impact yet resist wear and tear, making it indispensable in applications demanding resilience against […]
- [Butyl Rubber IIR](https://rubberandseal.com/butyl-rubber-iir/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Butyl Rubber (IIR) The Gas Barrier Specialist Butyl Rubber, known technically as Isobutylene Isoprene Rubber (IIR), is distinguished by its outstanding impermeability to gases. This attribute, combined with its excellent resistance to heat, aging, weathering, chemical attack, and shock absorption, has positioned it as a valuable material in various applications. It offers impressive flexibility and remains stable […]
- [Fluorocarbon FKM/Viton](https://rubberandseal.com/fluorocarbon-fkm-viton/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Fluorocarbon (FKM/Viton) The Superior Defender Against Harsh Elements Fluorocarbon rubbers, commercially known as FKM or by the brand name Viton, stand out in the rubber family due to their exceptional chemical resistance. Especially designed to resist degradation from exposure to a wide range of aggressive chemicals, these elastomers are also renowned for their high-temperature resilience. Moreover, their […]
- [Silicone Rubber VMQ](https://rubberandseal.com/silicone-rubber-vmq/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Silicone Rubber （VMQ) The High-Temperature Champion Silicone Rubber is renowned for its ability to retain flexibility and structural integrity in extreme temperature conditions, both high and low. Additionally, it resists degradation from UV light and ozone. These traits, combined with its inertness, make it especially valuable in both industrial and consumer applications. Silicone Rubber (VMQ): Properties, Applications […]
- [CR（Neoprene ）](https://rubberandseal.com/cr-neoprene/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Neoprene (CR) The Flexible All-Rounder Neoprene, also known as Chloroprene Rubber (CR), is valued for its balanced combination of properties. It offers moderate resistance to oils and chemicals while also demonstrating good flame retardancy and weather resistance. Its versatility stems from its well-rounded features, making it suitable for a wide range of applications.Neoprene (CR): Properties,How to Choose […]
- [BR（ Polybutadiene Rubber ）](https://rubberandseal.com/br-polybutadiene-rubber/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Polybutadiene Rubber (BR) The Backbone of Modern Tires Polybutadiene Rubber (BR) is a synthetic rubber made from the polymerization of butadiene monomers. It offers high elasticity, wear resistance, and low heat buildup, making it ideal for tires, footwear, and industrial components. Polybutadiene Rubber (BR): Properties, Applications Polybutadiene Rubber (BR) is one of the most resilient synthetic rubbers […]
- [EPDM (Ethylene Propylene Diene Monomer)](https://rubberandseal.com/epdm-material/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Ethylene Propylene Diene Monomer (EPDM) EPDM rubber is one of the most versatile synthetic rubbers in the industry. Known for its outstanding resistance to weather, ozone, and aging, it's a top choice for outdoor applications, roofing, seals, and more. But how does it compare to NBR or other rubber materials? EPDM, or Ethylene Propylene Diene Monomer rubber, […]
- [Nitrile Rubber (NBR)](https://rubberandseal.com/nitrile-rubber-nbr/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components.Nitrile Rubber (NBR) Nitrile Rubber (NBR) is one of the most commonly used synthetic rubbers. It plays a vital role in industrial applications, especially where oil and fuel resistance are required. But is it the right choice for your project? NBR, or Nitrile Butadiene Rubber, is known for its excellent resistance to petroleum-based oils and fuels. It’s widely […]
- [SBR(Styrene-Butadiene Rubbe )](https://rubberandseal.com/sbr-material/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components.Styrene-Butadiene Rubber (SBR) Styrene-Butadiene Rubber (SBR) is one of the most widely used synthetic rubbers in the world. But how does it compare to other rubber types, and what makes it so popular in industrial and commercial applications? SBR is a synthetic rubber made from styrene and butadiene. It offers excellent abrasion resistance, good aging stability, and cost-effectiveness, […]
- [NR（Natural Rubber）](https://rubberandseal.com/nature-rubber-material/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components.Natural Rubber: Everything You Need to Know Natural rubber is one of the most versatile and widely used materials in modern industry. Despite the rise of synthetic alternatives, natural rubber remains indispensable in many sectors due to its superior elasticity, tensile strength, and sustainability. Natural rubber is a high-performance elastomer extracted from the latex sap of the Hevea […]
- [Custom Rubber Wheels](https://rubberandseal.com/custom-rubber-wheels/): Julong Rubber Rubber Wheels Manufacturer since 1995 No Middlemen,Just Savings and Smiles! Just 100pcs to kickstart Your journey! Quote Now Trusted By Why Choose our Rubber Wheels ? A Wide Range of Rubber Wheels - Sizes from 100mm to 300mm28 years of Unmatched Expertise in Rubber Wheel ManufacturingTailor-Made for Your Needs Diverse Applications of Wheels: Trolley Rubber Wheels Electric Forklift Wheels Floor Scrubber Wheels Medical Equipment Wheels Material Handling Carts Wheels Aerospace and Aviation Equipment Wheels Get a Free Sample Any Rubber Wheel, Customized to Perfection! Trolley Rubber Wheels 200mm Floor scrubber wheels 200mm/50mm Pallet Truck Rubber Wheels 180mm Rubber […]
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- [Contact](https://rubberandseal.com/contact/): CONTACT US Custom Rubber Parts with Easy At Julong Rubber, We turn complex Into Simple! Follow the following 3 steps to start today! Tell Us What You Need Tell us as specific as possible of your needs, provide the drawing, reference picture and share your idea. Get Solution & Quote We will work on the best solution according to your requirements and drawing, the specific quote will be provided within 24 hours. Approve for Mass Production We will start mass production after getting your approval and deposit, and we will handle the shipment. Get A Free Quote Contact us to […]
- [Test](https://rubberandseal.com/rubber-test/): Testing & Evaluation Guaranteeing Excellence for Every Product Dive deep into our state-of-the-art product testing facilities and processes. We ensure that every product undergoes stringent testing to confirm its durability, performance, and safety, so you can trust its excellence in real-world applications. Ensuring Longevity & Optimal Performance Rubber Wheel Lifespan Assessment In our dedicated testing facilities, we subject our rubber wheels to a series of rigorous tests, replicating real-world conditions to assess their true lifespan. By understanding the durability and endurance limits of our products, we ensure that every rubber wheel stands up to its promises, providing you with extended […]
- [Materials](https://rubberandseal.com/rubber-materials/): Materials of Excellence Crafting with the Best in the Business At Julong Rubber, we prioritize using the finest materials to ensure the durability, efficiency, and performance of every product. Explore the various high-quality materials that form the foundation of our premium rubber components. Rubber Materials: Are You Ready To Custom Rubber Parts With Us? Contact Us Now The Essence of Quality: Our Material Selection Behind Every Outstanding Product is an Exceptional Material Our commitment to excellence is deeply rooted in the choice of materials we utilize. From the flexibility of silicone to the resilience of EPDM, each material is chosen […]
- [Home](https://rubberandseal.com/): Custom Rubber Parts Manufacturer since 1995 No Middlemen,Just Savings and Smiles! Just 100pcs to kickstart Your journey! Discover More Trusted By What we do Custom Rubber Parts Solutions We specialize in custom rubber components including automotive rubber parts, rubber wheels, industrial rubber hoses, rubber bellows, rubber gaskets, rubber seals, and much more. Discover More Rubber Hoses Learn More Automotive Rubber Parts Learn More Rubber Impellers Learn More Rubber Wheels Learn More Silicone Rubber Parts Learn More What We’re Offering Markets We Served Discover the breadth of our impact across various industries with our high-quality rubber products. From automotive to marine, […]
- [About](https://rubberandseal.com/julong-rubber/): About Julong Rubber Crafting Excellence Since 1995 Dive into our journey of almost three decades. From humble beginnings to becoming a renowned name in the rubber industry, explore our story, values, and the passion that drives us every day. View Products A leader in rubber industrial products Your Premier Partner in Custom Rubber Manufacturing  With 28 years of industry experience, Ningbo Julong  provide customers with reliable solutions to meet various needs. With quality, innovation and customer satisfaction as our core values, we continually strive to exceed expectations. The principle of quality first 100% customer satisfaction service Rich industry experience Professional […]
- [Term of Services](https://rubberandseal.com/term-of-services/): Welcome to Julong Rubber!   These terms and conditions outline the rules and regulations for the use of Julong Rubber's Website, located at rubberandseal.com.com.   By accessing this website, we assume you accept these terms and conditions. Do not continue to use Julong Rubber if you do not agree to take all of the terms and conditions stated on this page.   Cookies: The website uses cookies to help personalize your online experience. By accessing Julong Rubber, you agreed to use the required cookies.   A cookie is a text file that is placed on your hard disk by a […]

## Products

- [Robot Joint Rubber Clamp Pads](https://rubberandseal.com/product/robot-joint-rubber-clamp-pads/): Arc Clamp Pads :  54.46mm*14.74mm*46.39mm I-Section Clamp Pads: 57.82mm*39.80mm*14.42mm
- [SBR Robot Foot Sole Pad for Quadruped Robots](https://rubberandseal.com/product/sbr-robot-foot-sole-pad-for-quadruped-robots/): Dimensions:      Width: 76.6 mm      Height: 67 mm      Depth: 35.9 mm    
- [SBR Foot Pads for Quadruped Robots](https://rubberandseal.com/product/sbr-foot-pads-for-quadruped-robots/): Dimensions:       	  Width: 76.6 mm     	  Height: 67 mm     	  Depth: 35.9 mm    
- [Caterpillar 5N3272 RUBBER BOOT](https://rubberandseal.com/product/caterpillar-5n3272-rubber-boot/): The Caterpillar 5N3272 Rubber Boot is a heavy-duty coupling boot designed to provide long-lasting protection and reliable sealing for Caterpillar 3500-series engines, generators, industrial engines, and heavy equipment. Manufactured from premium EPDM rubber, this boot resists heat, oil, weather, and abrasive contaminants, making it ideal for demanding environments in construction, mining, marine, and power generation applications.
- [Rubber Air Filter Outlet Sleeve](https://rubberandseal.com/product/rubber-air-filter-outlet-sleeve/): The HF01 Rubber Outlet Sleeve is a high-performance rubber part designed for the outlet section of automotive air filter systems. It is made from ACM (Acrylic Rubber), offering excellent resistance to heat, oil mist, and ozone. The part is engineered to provide a secure seal between the air filter and intake components, with precise molded dimensions tailored for Hongqi (FAW) vehicle platforms.
- [Rubber Air Bladder for Massager](https://rubberandseal.com/product/rubber-air-bladder-for-massager/): The 4290 Rubber Air Bladder Cap is a key suction component designed for electric massagers and negative-pressure therapy devices. Its precision-molded rubber construction with reinforced ribs ensures excellent vacuum sealing performance, structural integrity, and long-lasting elasticity. Ideal for applications where skin-safe contact and efficient suction are essential.
- [JLB8073 Seawater Pump](https://rubberandseal.com/product/jlb8073-seawater-pump/): This seawater rubber impeller pump features a robust bronze housing, engineered for reliable fluid transfer in marine and industrial environments. The internal rubber impeller ensures excellent self-priming performance and long service life, making this pump ideal for continuous duty applications such as engine cooling, ballast water transfer, and seawater circulation.
- [JLB8073 Rubber Impeller for Seawater Pumps](https://rubberandseal.com/product/jlb8073-rubber-impeller-for-seawater-pumps/): The JLB8073 Rubber Impeller is engineered for high-performance seawater pump applications. Designed for outstanding durability, flexibility, and resistance to abrasion and corrosion, it is widely trusted in marine and industrial environments.
- [EPDM Rubber Gasket Seals for HVAC](https://rubberandseal.com/product/epdm-rubber-gasket-seals-for-hvac/): High-quality EPDM sealing ring  125mm with talc powder coating for HVAC and industrial use. Excellent sealing, weather resistance, and custom sizes available.
- [Rubber Parts for Automotive](https://rubberandseal.com/product/rubber-parts-for-automotive-2/): Julong Rubber’s automotive rubber bellows and wiring harness grommets are high-performance, custom-molded components engineered for modern vehicles and demanding industrial environments. These precision parts play a critical role in protecting and extending the service life of electrical, mechanical, and pneumatic systems by ensuring secure, flexible sealing at points where cables, wires, rods, or pipes enter or exit through panels, bulkheads, or moving assemblies.
- [Rubber Sleeve for Axial Flow Valve](https://rubberandseal.com/product/rubber-sleeve-for-axial-flow-valve/): Material：NBR 70ShA    Color：Black    Dimensions：173mm*104.5mm    For More Dimensions, Please feel free to ask us.
- [Silicone Rubber Sheet](https://rubberandseal.com/product/silicone-rubber-sheet/): Silicone Rubber Sheet 2mm*15mm    Hardness: 60ShA    Color:Black    Tolerance:acc. DIN ISO 3302-1 Class M2
- [Robot Feet Rubber Parts](https://rubberandseal.com/product/robot-feet-rubber-parts/): Robot foot rubber parts, commonly referred to as rubber feet or bumpers, are essential components used in various robotic applications. These parts serve multiple functions, primarily focused on enhancing the performance and stability of robots.
- [Electric Vehicle Battery Pack Seals](https://rubberandseal.com/product/electric-vehicle-battery-pack-seals/): Battery pack seals are critical components in the manufacturing and performance of electric vehicle (EV) batteries, ensuring protection against environmental hazards and enhancing battery longevity.
- [Rubber Bushing for Intercooler to Throttle Body Line Assembly](https://rubberandseal.com/product/rubber-bushing-for-intercooler-to-throttle-body-line-assembly/): Rubber bushings are essential components used in various applications to provide flexibility, reduce vibration, and absorb shock between two rigid parts. They play a crucial role in enhancing the performance and longevity of machinery and vehicles.
- [Rubber Sleeves For Electric Hair Clipper](https://rubberandseal.com/product/rubber-sleeves-for-electric-hair-clipper/): Rubber Sleeves for Electric Hair Clippers High-Performance, Protective Solutions for Your Devices Rubber sleeves for electric hair clippers are an essential accessory designed to provide protection, improve grip, and extend the life of your grooming tools. These rubber components are specifically engineered to meet the rigorous demands of frequent use in personal care settings. Here’s an in-depth look at why rubber sleeves are the ideal choice for electric hair clippers: Key Features and Benefits of Rubber Sleeves for Electric Hair Clippers: Applications of Rubber Sleeves for Electric Hair Clippers: If you’re looking for high-quality rubber sleeves for your electric hair […]
- [Rubber Diverter for Rainwater Collection](https://rubberandseal.com/product/rubber-diverter-for-rainwater-collection-systems/): Rubber diverters are commonly used components in rainwater collection systems, particularly for directing water from downspouts into storage containers like rain barrels.
- [Solid Rubber Wheels for Electric Forklifts (300mm*90mm)](https://rubberandseal.com/product/solid-rubber-wheels-for-electric-forklifts-300x90/): Solid rubber wheels are a popular option for electric forklifts due to their durability, puncture resistance, and low maintenance requirements. They offer several advantages over pneumatic tires, making them a suitable choice for various applications.    Sizes Available:     	250mm x 80mm   	300mm x 90mm    Load Capacity: 2000kg
- [Solid Rubber Wheels for Electric Forklifts](https://rubberandseal.com/product/solid-rubber-wheels-for-electric-forklifts/): Solid rubber wheels are a popular option for electric forklifts due to their durability, puncture resistance, and low maintenance requirements. They offer several advantages over pneumatic tires, making them a suitable choice for various applications.    Sizes Available:     	250mm x 80mm   	300mm x 90mm    Load Capacity: 2000kg
- [Rubber Wheels for Sorting Machines](https://rubberandseal.com/product/rubber-wheels-for-sorting-machines/): The Sorting Machine Balance Wheel is a cutting-edge solution designed to optimize your sorting processes, delivering exceptional efficiency and reliability.
- [Windshield Washer Hose Grommets](https://rubberandseal.com/product/windshield-washer-hose-grommets/): Windshield washer hose grommets are small, typically rubber rings that fit around the windshield washer hose where it passes through a hole in the car body. Think of them as tiny seals that keep things watertight and protect the hose from friction.
- [Rubber Grommet 1J0955998C](https://rubberandseal.com/product/rubber-grommet-for-windshield-washer/): Windshield washer hose grommets are small, typically rubber rings that fit around the windshield washer hose where it passes through a hole in the car body. Think of them as tiny seals that keep things watertight and protect the hose from friction.
- [VW Grommet 1J0955998C](https://rubberandseal.com/product/vw-grommet-1j0955998c/): The Genuine Volkswagen Windshield Washer Hose Grommet 1J0955998C is an essential component for maintaining your Volkswagen's windshield washer system. It is a small rubber ring that seals the windshield washer hose to prevent fluid leaks. It also protects the hose from wear and damage.
- [Rubber Wheels for Hydraulic Trolleys 300mm 12 inch](https://rubberandseal.com/product/rubber-wheels-for-hydraulic-trolleys-300mm-12-inch/): Forklift Wheels Rubber Wheels 300mm （12 inch）    Transport Wheels Rubber Steering Wheel with Ball Bearings 6204    Solid Rubber Wheels Aluminum Wheel     
- [Rubber Wheels for Hydraulic Trolleys 250mm 10 inch](https://rubberandseal.com/product/rubber-wheels-for-hydraulic-trolleys-250mm-10-inch/): Forklift Wheels Rubber Wheels 250mm （10 inch）    Transport Wheels Rubber Steering Wheel with Ball Bearings 6204    Solid Rubber Wheels Aluminum Wheel     
- [Trolley wheels 200mm x 50mm/140mm](https://rubberandseal.com/product/trolley-wheels-200mm-8-inch-rubber-wheel/): Forklift Wheels Rubber Wheels 200mm （8 inch）    Transport Wheels Rubber Steering Wheel with Ball Bearings 6204    Solid Rubber Wheels Aluminum Wheel     
- [Forklift Wheels Rubber Wheels 180mm](https://rubberandseal.com/product/forklift-wheels-rubber-wheels-180mm/): Forklift Wheels Rubber Wheels 180mm （7 inch）    Transport Wheels Rubber Steering Wheel with Ball Bearings 6204    Solid Rubber Wheels Aluminum Wheel     
- [Forklift Wheels Rubber Wheels 170mm](https://rubberandseal.com/product/forklift-wheels-rubber-wheels-170mm/): Forklift Wheels Rubber Wheels 170mm    Transport Wheels Rubber Steering Wheel with Ball Bearings    Solid Rubber Wheels Aluminum Wheel     
- [Forklift Wheels Rubber Wheels 160mm](https://rubberandseal.com/product/forklift-wheels-rubber-wheels-160mm/): Forklift Wheels Rubber Wheels 160mm    Transport Wheels Rubber Steering Wheel with Ball Bearings    Solid Rubber Wheels Aluminum Wheel     
- [Hydraulic truck rubber aluminum wheel](https://rubberandseal.com/product/hydraulic-truck-rubber-aluminum-wheel-2/): This wheel is best for moving quietly on rough floors and asphalt.    The rubber "absorbs" small irregularities very well and will not slip on tile floors. It is resistant to alcohol and salt water.    The operating temperature range is -60°C to +80°C. The cores are made of aluminum.
- [EDM & TRAY Seals](https://rubberandseal.com/product/edm-tray-seals/): Julong's Rubber Seals, designed specifically for the critical juncture between EDM & Tray, provide unparalleled sealing, durability, and efficiency.
- [Intake Manifold Rubber Boot](https://rubberandseal.com/product/intake-manifold-rubber-boot/): Boost performance and ensure optimal airflow in your engine with Julong Rubber's intake manifold rubber boot. Designed for efficiency and longevity.
- [Silicone non-slip cover for hair clippers](https://rubberandseal.com/product/silicone-non-slip-cover-for-hair-clippers/): Enhance your grooming experience with Julong Rubber's silicone non-slip cover for hair clippers. A perfect blend of design and functionality, our covers promise grip, comfort, and durability.
- [silicone rubber bands](https://rubberandseal.com/product/silicone-rubber-bands/): Julong Rubber presents its range of silicone rubber bands - flexible, durable, and designed to serve diverse purposes. Experience a blend of strength and adaptability with our top-of-the-line products.
- [Cylinder head flange sealing ring](https://rubberandseal.com/product/cylinder-head-flange-sealing-ring/): Enhance engine performance with our cylinder head flange sealing ring.    A durable solution for reliable flange sealing.
- [EGR flange sealing ring](https://rubberandseal.com/product/egr-flange-sealing-ring/): Enhance exhaust gas recirculation with our EGR flange sealing ring.    A durable solution for reliable flange sealing.
- [Throttle valve flange sealing ring](https://rubberandseal.com/product/throttle-valve-flange-sealing-ring/): Enhance sealing with our throttle valve flange sealing ring.    A durable solution for optimal performance.
- [silicone rubber protective cover](https://rubberandseal.com/product/silicone-rubber-cover/): Safeguard your Portable Devices (PD) with our silicone rubber protective cover.    Durable and functional protection for your devices.
- [silicone elastomer plug](https://rubberandseal.com/product/silicone-elastomer-plug/): Discover versatile silicone elastomer plugs for efficient sealing.    Durable and reliable solutions for various applications.
- [silicone rubber parts for sensors](https://rubberandseal.com/product/silicone-rubber-parts-for-sensors/): Elevate sensor performance with our silicone rubber parts.    Durable solutions for enhanced protection and functionality.
- [Silicone Rubber Parts](https://rubberandseal.com/product/silicone-rubber-parts/): Discover reliable silicone rubber parts for diverse applications.    Durable components designed for efficiency and performance.
- [Silicone Rubber Cap](https://rubberandseal.com/product/silicone-rubber-cap/): Enhance protection with our transparent silicone rubber caps.    Versatile and durable solutions for diverse applications.
- [sponge rubber seal string](https://rubberandseal.com/product/sponge-rubber-seal-string/): Enhance sealing with our silicone sponge rubber seal string. Durable solution for gap sealing and leak prevention.
- [Silicone sheath for Wahl clipper](https://rubberandseal.com/product/silicone-sheath-for-wahl-clipper/): A silicone sheath is a flexible, protective sleeve that is made of silicone. It is typically used to protect electrical wires, cables, and other components from damage.
- [Rain Water Collector-silicone rubber](https://rubberandseal.com/product/rain-water-collector-silicone-rubber/): Optimize water harvesting with our rainwater collector featuring silicone rubber. Durable and efficient solution for rainwater collection.
- [rubber cooling hoses](https://rubberandseal.com/product/rubber-cooling-hoses/): Optimize temperature regulation with our rubber cooling hoses.    Choose durability and reliability for efficient cooling fluid transfer.
- [8 inch solid rubber wheels](https://rubberandseal.com/product/rubber-wheels-on-aluminum-core-2/): Experience durability and versatility with rubber wheels on the aluminum core.    Browse our selection for reliable wheel solutions.
- [Light blue rubber wheel](https://rubberandseal.com/product/light-blue-rubber-wheel/): Elastic Rubber Wheel 125x36mm      
- [Rubber industry impellers](https://rubberandseal.com/product/rubber-industry-impellers/): Enhance rubber industry processes with our specialized impellers. Improve mixing and fluid handling efficiency.
- [flexible impeller seawater pump](https://rubberandseal.com/product/flexible-impeller-seawater-pump/): Enhance marine fluid transfer with our flexible impeller seawater pump. Durable and adaptable for reliable performance.
- [Rubber Impeller for Dairy Industry](https://rubberandseal.com/product/rubber-impeller-for-dairy-industry/): Our Flexible Rubber Impellers are specifically engineered for the rigorous demands of the dairy, beverage, and food processing industries. Made from high-purity, food-grade elastomers, these impellers are ideal for gentle fluid transfer, ensuring product safety and hygiene during every stage of production.        
- [Rubber Impellers](https://rubberandseal.com/product/rubber-impellers/): Optimize fluid transfer with our durable rubber impellers. Solve challenges across industries. Explore now!
- [Flexible Rubber Impellers Jabsco 14346-0005 Replacement](https://rubberandseal.com/product/flexible-rubber-impellers/): Our Rubber Flexible Impellers are engineered for efficient and reliable fluid movement across a variety of industrial and marine applications. Made from premium elastomers such as Neoprene, NBR, or food-grade materials, these impellers deliver outstanding flexibility, durability, and chemical resistance. Ideal for seawater pumps, food processing pumps, bilge pumps, and other critical systems requiring gentle, leak-proof, and pulse-free fluid transfer.      
- [Rubber hose for Automotive](https://rubberandseal.com/product/rubber-hose-for-automotive/): Address automotive hose challenges effectively with our durable rubber hose solutions. Ensure reliable performance and lasting quality. Explore now!
- [vent hose](https://rubberandseal.com/product/vent-hose/): Julong Rubber's vent hoses are your reliable choice for safe and efficient ventilation. Crafted for maximum airflow, our hoses are perfect for diverse settings, combining durability with flexibility.
- [Upper radiator hose](https://rubberandseal.com/product/upper-radiator-hose/): The upper radiator hose is a flexible hose that connects the top of the radiator to the engine. It is responsible for carrying the hot coolant from the engine to the radiator, where the coolant is cooled and then returned to the engine.
- [Long rubber hoses](https://rubberandseal.com/product/long-rubber-hoses/): Experience unmatched durability and flexibility with Julong Rubber's long hoses, perfect for a range of industrial applications, ensuring efficient fluid transfer.
- [EPDM Rubber Hose](https://rubberandseal.com/product/epdm-rubber-hose/): Rubber condensate hoses are a popular choice for many HVAC applications due to their flexibility, durability, and resistance to temperature extremes. They are typically made from a synthetic rubber material, such as neoprene or nitrile, that is resistant to chemicals and weathering.      
- [rubber preformed hose](https://rubberandseal.com/product/rubber-preformed-hose/): Julong Rubber's preformed hoses are precision-engineered to meet the unique requirements of specialized applications. Combining durability with a perfect fit, our hoses lead in both form and function.
- [rubber tubing](https://rubberandseal.com/product/rubber-tubing/): Julong Rubber offers top-tier rubber tubing, renowned for its flexibility, strength, and resistance. Crafted for diverse applications, our tubing solutions are the industry's choice for quality and reliability.
- [rubber preshaped hose](https://rubberandseal.com/product/rubber-preshaped-hose/): Our preshaped rubber hoses are crafted with precision to align with specific applications, ensuring a seamless fit and unparalleled performance. With a focus on durability and resilience, these hoses promise efficiency and longevity, even in demanding conditions.
- [intake air hose](https://rubberandseal.com/product/intake-air-hose/): Our intake air hoses ensure efficient and unrestricted airflow to your engine, optimizing performance and fuel efficiency.
- [rubber air hose](https://rubberandseal.com/product/rubber-air-hose/): Our rubber air hoses provide unmatched airflow efficiency combined with flexibility and durability, perfect for industrial applications.
- [Rubber Hose](https://rubberandseal.com/product/rubber-hose/): Siphon hoses are versatile tools used in a range of contexts. They are commonly found in aquarium maintenance for water changes and cleaning tasks. In automotive maintenance, siphon hoses can be used to extract fluids such as oil or gasoline from vehicles.
- [Car Rubber intake Radiator hose](https://rubberandseal.com/product/car-rubber-intake-radiator-hose/): Our Car Rubber Intake Radiator Hose ensures optimal engine cooling and longevity. Made from premium materials, it offers unmatched durability and heat resistance.
- [125-36 rubber caster wheel](https://rubberandseal.com/product/125-36-rubber-caster-wheel/): Introducing our robust 125-36 rubber caster wheel - your ideal choice for consistent, smooth, and durable mobility.
- [125-36-89 rubber color wheel](https://rubberandseal.com/product/125-36-89-rubber-color-wheel/): Discover our 125-36-89 rubber color wheel, expertly crafted to combine both form and function, suitable for a myriad of applications.
- [160mm Hitachi Elevator Guide Rollers](https://rubberandseal.com/product/160mm-aluminum-core-elevator-guide-wheel/): One of the crucial components ensuring the smooth and efficient operation of their high-speed elevators is the guide rollers. Let's delve deeper into the specifics of the high-speed Hitachi elevator guide rollers:
- [160mm rubber wheel](https://rubberandseal.com/product/160mm-rubber-wheel/): Enhance maneuverability and longevity with our 160mm rubber wheels, precision-engineered for superior performance across diverse conditions.
- [Rubber Caster Wheel](https://rubberandseal.com/product/rubber-caster-wheel/): Rubber caster wheels are essential components in various industrial applications, providing durability, shock absorption, and a smooth ride.
- [Sorter rubber wheel](https://rubberandseal.com/product/sorter-rubber-wheel/): Elevate the performance of your sorting systems with our advanced sorter rubber wheels, combining durability with precise movement to enhance operational efficiency.
- [Elevator Guide Roller](https://rubberandseal.com/product/elevator-guide-roller/): Experience a new standard in elevator efficiency with our top-quality elevator guide rollers. Meticulously crafted for seamless rides, these rollers are the essence of durability and precision.
- [Large mechanical drive rubber wheels](https://rubberandseal.com/product/large-mechanical-drive-rubber-wheels/): Large mechanical drive rubber wheels are a type of rubber wheel that is used in a variety of applications where a high level of durability and performance is required. These wheels are typically used in industrial settings, such as manufacturing plants, warehouses, and construction sites.
- [Medical Wheel for Invacare Wheelchair](https://rubberandseal.com/product/medical-wheel-for-invacare-wheelchair/): A rubber wheel for a wheelchair is a wheel that is made of rubber. It is typically used to provide a smooth and comfortable ride for the wheelchair user. Rubber wheels are available in a variety of sizes, shapes, and materials to meet the specific needs of the wheelchair user.
- [Rubber wheel 3712536109gg](https://rubberandseal.com/product/rubber-wheel-3712536109gg/): Model 3712536109gg stands as a testament to our commitment to quality and performance. Made with premium-grade rubber, this wheel is designed for both efficiency and durability.
- [Rubber Wheel for Scrubber Machine](https://rubberandseal.com/product/rubber-wheel-grey/): Grey rubber wheels deliver a sleek, contemporary feel without compromising on the rugged and reliable features of rubber, ensuring both form and function.
- [rubber wheels black](https://rubberandseal.com/product/rubber-wheels-black/): Black rubber wheels combine the timeless elegance of the color black with the robust properties of rubber, offering both aesthetic appeal and unmatched performance.
- [Rubber Wheels on Nylon Core](https://rubberandseal.com/product/rubber-wheels-on-nylon-core/): Rubber wheels on a nylon core offer an optimal blend of lightness and resilience. With the adaptive properties of rubber and the featherweight nature of nylon, these wheels cater to varied applications with precision.
- [Rubber Wheels on Aluminum Core](https://rubberandseal.com/product/rubber-wheels-on-aluminum-core/): Rubber wheels on an aluminum core blend the best of both worlds. With the inherent strength of aluminum and the cushioning effect of rubber, these wheels provide a resilient yet robust solution for a variety of applications.
- [Automotive Window Seal Strips](https://rubberandseal.com/product/automotive-window-seal-strips/): Upgrade your vehicle's protection against external interferences with Julong Rubber's top-tier automotive window seal strips. Designed for an exact fit and supreme durability, they're the definitive choice for discerning motorists.
- [Automotive Window Seal](https://rubberandseal.com/product/automotive-window-seal/): Julong Rubber offers state-of-the-art automotive window seals, ensuring optimal protection against external elements and providing a quieter, more comfortable ride for all vehicle types.
- [Battery Pack Seal](https://rubberandseal.com/product/battery-pack-seal/): Julong Rubber presents high-quality battery pack seals crafted to ensure robust protection, prolong battery lifespan, and enhance energy efficiency in every application.
- [Brake Pedal Rubber Pad](https://rubberandseal.com/product/brake-pedal-rubber-pad/): Julong Rubber offers premium brake pedal rubber pads designed for maximum grip, ensuring safer braking under all conditions. Crafted with precision, our pads deliver both comfort and performance.
- [Rubber Bumpers](https://rubberandseal.com/product/rubber-bumpers/): Julong Rubber delivers high-performance rubber bumpers, tailored for superior protection against impacts. Experience the blend of resilience and durability in our meticulously crafted bumpers.
- [Condensate Drip Rubber Tube](https://rubberandseal.com/product/condensate-drip-rubber-tube/): Julong Rubber presents its top-notch Condensate Drip Rubber Tubes, designed to effectively channel away moisture while standing up to demanding conditions. Experience the perfect blend of flexibility and durability.
- [Control Arm Bushings](https://rubberandseal.com/product/control-arm-bushings/): Julong Rubber's Control Arm Bushings are specially crafted to absorb shocks, reduce vibrations, and ensure a smoother driving experience. Made with top-grade materials, they optimize vehicle alignment and improve handling.
- [Cylinder Head Cover Gasket](https://rubberandseal.com/product/cylinder-head-cover-gasket/): Our cylinder head cover gaskets are meticulously crafted to provide an airtight seal between the cylinder head and the engine block. Made with high-quality materials, they are built to withstand intense engine conditions, delivering unparalleled protection against oil leaks.
- [EPDM bellows](https://rubberandseal.com/product/epdm-bellows/): Julong Rubber's EPDM bellows deliver unmatched flexibility, durability, and environmental resistance, ideal for various industrial applications.
- [Ignition Dust proof](https://rubberandseal.com/product/dust-ignition-proof/): Julong Rubber delivers cutting-edge ignition dust proofing to safeguard ignition components, ensuring optimal ignition every time.
- [Industrial Rubber Bellows](https://rubberandseal.com/product/rubber-bellows-for-industry/): Julong Rubber’s industrial bellows: Precision-crafted for machine safety and longevity, ensuring top-tier protection in demanding environments.
- [Rubber Sealing Rings](https://rubberandseal.com/product/rubber-sealing-rings/): Julong Rubber's sealing rings: Crafted for precision, ensuring leak-proof applications across industries. Rubber sealing rings are the unsung heroes in a myriad of applications across multiple industries. Their primary role is to prevent leaks, ensuring that fluids (be it liquid or gas) stay where they're intended. Julong Rubber, with its dedication to quality and precision, offers rubber sealing rings that set the benchmark for reliability.
- [Rubber Auto Parts](https://rubberandseal.com/product/rubber-auto-parts/): Julong Rubber's auto parts: Expertly crafted rubber components ensure smooth vehicle operations and prolonged service life.
- [Rubber Baffle](https://rubberandseal.com/product/rubber-baffles/): Julong Rubber Baffles: A synergy of advanced design and top-grade rubber for superior fluid flow control in demanding environments.
- [Rubber Auto Bellows](https://rubberandseal.com/product/rubber-auto-bellows/): Experience the Julong difference: Rubber Auto Bellows are crafted for unparalleled protection, durability, and longevity in challenging automotive environments.
- [Rubber Coil Spring Insulator](https://rubberandseal.com/product/rubber-coil-spring-insulator/): Transform your driving experience with Julong Rubber's Coil Spring Insulators - meticulously designed for peak vibration control and enduring robustness.
- [Rubber Coupling Caterpillar Boot 5N3272](https://rubberandseal.com/product/rubber-coupling-caterpillar-boot-5n3272/): Rubber Coupling Caterpillar Boot 5N3272 is a flexible component that is used to connect two pipes. It is made of rubber and has a bellows design, which allows it to flex and bend. This makes it ideal for applications where there is movement or vibration between the pipes.
- [Rubber Dust Cover](https://rubberandseal.com/product/rubber-dust-cover/): Opt for Julong Rubber's dust covers — your first line of defense against the abrasive world of dust and debris.
- [Rubber Float Bowl Gasket](https://rubberandseal.com/product/rubber-float-bowl-gasket/): Julong Rubber: Crafting industry-leading float bowl gaskets, delivering perfect sealing integrity for optimized carburetor performance.
- [Rubber Gasket Seal](https://rubberandseal.com/product/rubber-gasket-seal/): Julong Rubber: Your trusted source for high-quality rubber gasket seals, guaranteeing unmatched sealing integrity and longevity.
- [Rubber Engine Gasket](https://rubberandseal.com/product/rubber-engine-gasket/): Rubber gaskets play a crucial role in preventing leaks and ensuring airtight seals in various industries. These versatile sealing solutions come in different forms, catering to specific applications and needs. Understanding the diverse types of rubber gaskets available can help you make informed decisions for your projects. Whether you require gaskets for plumbing, automotive, or industrial purposes, knowing your options is essential.


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