OEM Medical Silicone Seals & Gaskets
Precision components engineered for water, dust, and fluid sealing in medical devices. Ensuring absolute reliability under repeated sterilization and long-term compression. Supplied non-sterile for further manufacturing.
Product Architecture
Comprehensive range including standard O-rings, flat gaskets, puncture self-sealing septa, and custom molded seals. Detailed dimensions and material reports are in the technical datasheet.
| Type | Dimension Range | Material / Feature |
|---|---|---|
| O-Rings (AS568 / Metric) | ID 1~50mm × CS 1.0~3.0mm | VMQ 50/70A (USP VI) / Water & Dust proof |
| Flat Gaskets (Die-cut/Molded) | Custom (Thickness 0.5~3mm) | VMQ 50~70A / Cushioning & Flange sealing |
| Application | Dimensions | Material / Feature |
|---|---|---|
| IV Bags / Heparin Caps | Ø8~20mm (Custom to port) | Silicone / Polyisoprene / Butyl (High-rebound) |
| Structure Type | Target Device | Material / Process |
|---|---|---|
| Cushion/Handle Seal Sets | Anesthesia Mask / Phaco Handpiece | LSR / VMQ 30~80A (Autoclavable) |
Technical Datasheet
Get the complete specification list, including dimensional drawings, durometer tolerances, and biocompatibility reports.
Engineered for Critical Assembly & Clinical Requirements
Seal failures often occur in microns unseen by the naked eye. We design these risks out before they reach your production line.
Phaco Handpieces & Surgical Instruments
⚠️ Key Application Requirements:
Handpieces undergo thousands of autoclave cycles. Seals must not harden or become brittle due to thermal aging, which would allow irrigation fluid to seep in and destroy the expensive internal transducer.
🛡️ How Our Components Support You:
We supply high-temperature resistant VMQ. Our optimized cross-linking formulation ensures an extremely low compression set, maintaining softness and high resilience for long-lasting dynamic sealing after repeated 134°C sterilization.
IV Bags & Indwelling Needle Heparin Caps
⚠️ Key Application Requirements:
Nurses repeatedly puncture the same injection port with steel needles. The septum must absolutely not generate "coring" (particulate shedding), which could enter the fluid and cause severe medical accidents. It must also self-seal instantly upon withdrawal.
🛡️ How Our Components Support You:
Our puncture self-sealing septa use high tear-strength medical silicone or polyisoprene. Strict mold polishing and vulcanization processes ensure a flawless puncture surface, achieving zero coring and zero leakage after tens of thousands of punctures.
Monitor, Infusion Pump & IVD Device Housings
⚠️ Key Application Requirements:
Devices in hospital environments are frequently wiped with alcohol and disinfectants. Seals must not swell or deform upon contact with alcohol, and must not tear when over-compressed by tightened screws.
🛡️ How Our Components Support You:
We offer chemical-resistant flat gaskets and custom seals. By adjusting formulations, we enhance solvent resistance. We also provide ultra-high tear strength LSR materials to prevent rupture under extreme deformation during screw locking.
Common Pitfalls & Our Engineering Solutions
Seal issues usually don't explode on the production line immediately; they manifest months later in the field. We prevent these risks through process control.
⚠️ Leakage After Autoclaving (Compression Set)
Our Engineering Solution
We strictly select medical-grade precipitated or fumed silicone and execute post-curing processes. This completely eliminates volatiles, ensuring compression set far below industry standards (ASTM D395).
⚠️ Coring Leading to Particulate Contamination
Our Engineering Solution
We utilize high tear resistance formulations. For septum molds, we enforce mirror-grade polishing (SPI A-1) to ensure no microscopic burrs on the puncture surface, minimizing puncture resistance and coring risks.
⚠️ O-Ring Cut or Twisted During Assembly
Our Engineering Solution
We can provide surface micro-coatings (e.g., silicone oil) to reduce assembly friction. We strictly control the O-ring cross-section (CS) tolerance to ensure it seats perfectly into your groove under 10%~20% stretch without damage.
Your OEM Component & Quality Partner
We bridge the gap between your assembly line and the strict compliance requirements of the medical device industry.
Deep Mfg. Experience
Managed by a team with frontline medical device production backgrounds. We understand your assembly constraints and tolerance requirements.
Traceability & Control
Strict batch record management and change control protocols. We prevent unauthorized material substitutions and ensure full traceability.
Lab & Audit Ready
Backed by professionals with third-party lab management experience. We know exactly how to prepare documentation for ISO 13485 and USP Class VI audits.
Need Custom Tooling or Special Materials?
If standard seals cannot meet your groove design or chemical resistance requirements, send us your 2D/3D drawings. Our engineering team will evaluate custom formulations for you.
- Custom molded seal tooling
- High-temp / Solvent-resistant formulations
- Surface coating / Cleanroom washing services