Description
Rubber Air Bladder Cap for Massager (Type 4290)
Technical Specifications
| Parameter | Value |
|---|---|
| Product Name | Rubber Air Bladder Cap (Type 4290) |
| Material | Silicone Rubber (Black) |
| Optional Materials | EPDM / NBR / TPE |
| Diameter (Outer) | 94.5 mm (±0.3 mm) |
| Height (Total) | 23.5 mm (approximate) |
| Rib Count (Internal) | 16 radial support ribs |
| Edge Slot Count | 12 narrow slots |
| Hardness | 40 ± 5 Shore A |
| Temperature Range | -40°C to +200°C |
| Compliance Options | FDA / RoHS / REACH |
Key Features
- Durable Rubber Construction
Made from high-flexibility black silicone rubber or EPDM/NBR upon request. The material is soft, odorless, and resistant to tearing, aging, and temperature fluctuations. - Efficient Negative Pressure Seal
The cup-like structure forms a tight vacuum seal when pressed onto a surface, enabling effective suction for massage or cupping therapy. - Structural Ribs for Stability
Internally reinforced with 16 radial support ribs to prevent deformation during repeated use and enhance suction force uniformity. - Edge Slots for Snap-Fit Assembly
Features 12 narrow slits around the outer wall to assist in mechanical locking, air adjustment, or alignment during device assembly. - Skin Contact Safe
Manufactured using biocompatible rubber, with optional FDA-compliant silicone for direct skin applications.
Typical Applications
- Electric massage cups
- Vacuum cupping therapy heads
- Home-use skin tightening devices
- Physiotherapy negative pressure equipment
- Beauty and wellness suction-based treatments
Advantages for OEM/ODM Clients
- ✔ Own mold & tooling center for custom development
- ✔ Material formulas customizable per industry regulations
- ✔ Batch traceability and 100% QC on sealing function
- ✔ 3D CAD file support and rapid sample delivery
- ✔ Strong experience serving European massage brands
Optional Customization
| Feature | Options Available |
|---|---|
| Material Type | Silicone, EPDM, NBR, TPE |
| Hardness Range | 40 – 70 Shore A |
| Color | Black (default), grey, red, etc. |
| Embossed Logo | Available on top surface |
| Outer Diameter | Can be adjusted per design |
| Packaging | Bulk/carton or individual wrap |
Packaging & Delivery
- MOQ: 1,000 pcs
- Lead Time: 15–25 days based on order volume
- Packaging: PE bags + carton (bulk or individual wrapping available)
- Sample Lead Time: 5–7 working days with custom mold support
