Sterile Rubber Stopper A 20mm
$3.00
The Sterile Rubber Stopper A 20mm is a pharmaceutical-grade butyl rubber closure designed for standard 20mm crimp-finish glass vials. Pre-sterilized and ready to use, it provides a secure, airtight seal with excellent resealability, making it ideal for injectable pharmaceuticals, laboratory samples, vaccines, biologics, and research applications.
The 20mm Sterile Rubber Stopper A from VialShop provides a secure, pharmaceutical-grade sealing solution for standard 20mm crimp-finish glass vials. Manufactured from premium bromobutyl/chlorobutyl rubber, this sterile stopper creates an airtight, leak-resistant barrier that protects injectable formulations, laboratory reagents, biological samples, and research materials from contamination, moisture, and oxygen.
Ideal for pharmaceutical manufacturing, biotechnology, research laboratories, and diagnostic applications, the stopper delivers dependable sealing performance, excellent chemical compatibility, and superior resealability after multiple needle punctures.
Key Features
Pharmaceutical-Grade Butyl Rubber: Manufactured from high-purity bromobutyl/chlorobutyl rubber for excellent chemical resistance, low extractables, and minimal gas permeability.
Sterile & Ready to Use: Supplied pre-sterilized for immediate use in pharmaceutical production, laboratory research, and cleanroom environments.
Reliable Airtight Seal: Provides a secure hermetic seal that protects sensitive formulations from moisture, oxygen, and external contaminants.
Excellent Needle Resealability: Maintains sealing integrity after repeated syringe punctures, making it suitable for both single-dose and multi-dose vial applications.
Standard 20mm Compatibility: Designed to fit all standard 20mm neck glass vials used with aluminum crimp and flip-off seals.
Technical Specifications
| Feature | Specification |
|---|---|
| Product Type | Sterile Rubber Stopper |
| Model / Style | Type A |
| Diameter / Size | 20mm |
| Material | Pharmaceutical-Grade Bromobutyl / Chlorobutyl Rubber |
| Color | Grey |
| Compatibility | Standard 20mm Crimp-Finish Glass Vials |
| Sterility | Sterile / Cleanroom Grade |
| Compliance | YBB / EP / ISO Standards |
| Primary Applications | Injectable pharmaceuticals, biologics, laboratory samples, vaccines, diagnostics |
Common Applications
Injectable Pharmaceuticals: Secure sealing for injectable drugs, peptide formulations, vaccines, biologics, and sterile solutions.
Laboratory Research: Ideal for research chemicals, analytical standards, and laboratory sample storage.
Diagnostic Reagents: Protects diagnostic reagents and quality control materials from contamination and environmental exposure.
Biotechnology & Pharmaceutical Manufacturing: Suitable for pharmaceutical production, cleanroom filling operations, and biotechnology research requiring sterile vial closures.
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