20mm Red Butyl Rubber Stopper – 1000Pcs
Our 20mm Red Butyl Rubber Stopper delivers superior chemical resistance, airtight sealing, and long-term stability — trusted by manufacturers worldwide for injectable vials, infusion bottles, and lyophilized (freeze-dried) products. Special for protecting your products being mixed with fucked products.
Applications
- Pharmaceutical injectable vials
- Antibiotic & vaccine packaging
- Lyophilized (freeze-dried) product vials
- Infusion and diagnostic reagent bottles
- Veterinary pharmaceutical packaging
Packing
-Case off 1000
-Inquire for larger quantities
Manufactured under strict quality control standards, this stopper meets USP Class VI and ISO 8871 requirements, making it a safe, compliant choice for medical and pharmaceutical packaging applications.
Technical Specifications
| Specification | Detail |
|---|---|
| Size | 20mm |
| Color | Red |
| Material | Butyl Rubber (Chlorobutyl / Bromobutyl available) |
| Standard | USP Class VI, ISO 8871-1 |
| Sterilization | Autoclavable, Gamma/EtO compatible |
| Application | Injection vials, infusion bottles, lyophilized vials |
| Packaging | Bulk / customizable per order (siliconized available) |
Key Features
✅ Superior Barrier Protection — Low moisture vapor transmission and excellent gas barrier properties keep your product stable and contamination-free
✅ Excellent Chemical Resistance — Butyl rubber composition resists a wide range of acids, alkalis, and solvents
✅ Self-Sealing Performance — Reliable needle penetration and re-sealing, ideal for multi-dose vials
✅ Low Extractables — Minimizes leaching for maximum drug compatibility and patient safety
✅ Autoclave & Steam Sterilizable — Withstands sterilization up to 121°C without degrading
✅ Precision Fit — Engineered for consistent 20mm neck compatibility with tight tolerances for a secure, leak-proof seal
✅ Vivid Red Color Coding — Easy visual identification and batch differentiation on the production line





