Medical Syringe Rubber Piston - Premium Healthcare Sealing Solution
Product Description
Medical Syringe Silicone Piston is a precision-engineered sealing component designed specifically for disposable syringes, prefilled syringe systems, and medical injection devices. Manufactured from pharmaceutical-grade silicone and medical rubber materials, it delivers exceptional biocompatibility, consistent glide performance, and zero-leakage reliability for critical drug delivery applications.
Unlike standard industrial rubber pistons, Best Seal Medical Syringe Pistons feature advanced multi-lip sealing design that ensures superior medication containment, while precision molding technology guarantees ±0.02mm dimensional accuracy for consistent, reliable performance across millions of units.
Triple-lip sealing design + pharmaceutical-grade materials + cleanroom manufacturing = Zero contamination risk, perfect for sterile drug delivery systems including vaccines, biologics, and insulin formulations.
Technical Parameters
| Property | Unit | Value |
| Origin | - | Xiamen, China |
| Material | - | Medical-Grade Silicone, Butyl Rubber (IIR), Bromobutyl (BIIR), Chlorobutyl (CIIR), TPE |
| Hardness Range | Shore A | 30 – 70 (Customizable) |
| Operating Temperature | °C | -40 to +200 |
| Dimensional Tolerance | mm | ± 0.02 |
| Size | - | Custom (1ml–60ml syringe sizes) |
| Colors | - | Natural, gray, black, or custom |
| Testing Available | - | ISO 10993 & USP Class VI upon project request |
Material Options
Medical-Grade Elastomer Materials：
| Material | Key Properties | Best Applications |
|---|---|---|
| VMQ (Medical Silicone) | Excellent biocompatibility, wide temperature range | General purpose syringes, prefilled systems |
| IIR (Butyl Rubber) | Superior gas impermeability | Oxygen-sensitive drugs, vaccines |
| BIIR (Bromobutyl) | Enhanced chemical resistance | Aggressive pharmaceutical formulations |
| CIIR (Chlorobutyl) | Excellent drug compatibility | Lyophilized drugs, sensitive biologics |
| TPE (Medical Grade) | Custom formulation available | Specialty applications |
Surface Treatment Options：
| Surface Treatment | Benefits | Applications |
|---|---|---|
| PTFE (Teflon) Coating | Ultra-low friction, chemical resistant | Prefilled syringes, precision dosing |
| Silicone Oil Treatment | Smooth glide, biocompatible | Biologics delivery, insulin syringes |
| Talc Powder Coating | Reduced breakout force, cost-effective | High-volume disposable syringes |
| Uncoated (Natural) | Zero contamination risk | Preservative-free medications |
Silicone (VMQ): Best for general-purpose, temperature extremes
Butyl (IIR/BIIR/CIIR): Ideal for oxygen-sensitive medications, vaccines
Our technical team provides FREE consultation for optimal material selection.
Key Features & Advantages
- ❶ Precision Engineering: ±0.02mm tolerance ensures perfect fit and zero leakage
- ❷ Multi-Lip Sealing: Double or triple-lip configuration prevents medication migration
- ❸ Ultra-Smooth Surface: Ra ≤0.4μm finish minimizes friction and particulate generation
- ❹ Consistent Glide Force: 8–12N injection force provides superior patient comfort (40% lower than standard)
- ❺ Testing Available: ISO 10993 & USP Class VI biocompatibility testing upon project request
Main Applications
- Disposable Medical Syringes: 1ml–60ml standard syringes, insulin syringes, tuberculin syringes
- Prefilled Syringe Systems: Vaccines (COVID-19, influenza), biologics, emergency medications
- Advanced Injection Devices: Auto-injectors, safety syringes, pen injectors
- Laboratory Equipment: Precision liquid handling, analytical instruments
- Veterinary Medicine: Animal vaccination, livestock medication delivery
Packaging & Shipping
📦 Packaging Options：
| Type | Details |
|---|---|
| Standard Packaging |
Cleanroom-sealed PE bags Inner cartons with protective layers Palletized for bulk shipments |
| Custom Packaging (Upon Request) |
Individual heat-sealed bags Thermoformed protective trays Vacuum-sealed aluminum foil pouches Customized labels with batch tracking |
| Sterilized Options | Gamma-sterilized (25–50 kGy) ready-to-use packaging available |
🚚 Shipping Information
| Item | Details |
|---|---|
| MOQ | 1 pcs |
| Lead Time | In stock: 3 days | Standard: 2–3 weeks | Custom mold: 4–6 weeks | Sterilized: Add 2–3 weeks |
| Port | Xiamen, China |
| Shipping Methods | Express (DHL, FedEx, UPS), Air Freight, Sea Freight |
| Trade Terms | FOB / CIF / DDP / EXW available |
| Sample Policy | Free samples available (customer pays freight) | Fast quotation within 24 hours |
Flexible OEM & ODM services available to meet your specific requirements.
Customer Reviews
Factory Strength & Quality Assurance
Xiamen Best Seal Imp. & Exp. Co., Ltd. has over 20 years of experience manufacturing precision medical-grade rubber and silicone components. We specialize in high-precision syringe pistons and custom elastomer solutions for the global healthcare industry.
Manufacturing Capabilities:
- ❶ Daily production capacity: Up to 5 million pieces
- ❷ ISO Class 7 cleanroom manufacturing environment
- ❸ 100% automated optical inspection systems
- ❹ In-house R&D team and mold fabrication
- ❺ Advanced quality control with full traceability
- ❻ Serving 500+ manufacturers in 68+ countries
Quality Certifications: ISO 9001, RoHS, REACH, FDA-compliant materials available
Frequently Asked Questions
Q: What sizes of syringe pistons can you manufacture?
A: We produce custom pistons for all standard syringe sizes from 1ml to 60ml with ±0.02mm tolerance. Send your technical drawings for a precise quotation within 24 hours.
Q: Which material should I choose for my application?
A: Material selection depends on your drug formulation:
Silicone: Best for general applications and temperature extremes
Butyl Rubber: Ideal for oxygen-sensitive drugs and vaccines
Bromobutyl/Chlorobutyl: For aggressive formulations and biologics
Our technical team provides FREE consultation for optimal selection.
Q: Do you provide biocompatibility testing documentation?
A: Yes. ISO 10993 and USP Class VI biocompatibility testing reports are available upon project request to support your regulatory submissions (FDA, EMA, etc.).
Q: Can you supply sterilized pistons ready-to-use?
A: Yes. We offer gamma-sterilized (25–50 kGy) pistons in cleanroom packaging, ready for aseptic filling lines. Lead time: add 2–3 weeks to standard production.
Q: What is the minimum order quantity?
A: There is no MOQ. We support orders from 1 piece, including sampling, R&D testing, and mass production. Pricing depends on specifications and requirements.
Q: Can you develop custom formulations?
A: Yes. Our R&D team specializes in custom elastomer formulations for specific drug compatibility, unique hardness requirements, or specialized performance characteristics.
📞 Contact Us Today
Xiamen Best Seal Imp. & Exp. Co., Ltd.
📍 Address: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China
☎️ Tel: +86-592-5782315
📱 Mobile/WhatsApp: +86 189 5015 9396
📧 Email: yunying2@bestsealhk.com
Free Sample Kit • 24-Hour Quotation • Custom Solutions • OEM/ODM Services
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