These premium 20mm gray chlorobutyl rubber stoppers are designed to provide a secure, airtight seal for serum vials, laboratory containers, injectable bottles, and sterile solution storage applications.
Manufactured from high-quality chlorobutyl rubber, these stoppers offer excellent chemical resistance, low gas permeability, and reliable resealing performance. Compatible with standard 20mm vial necks, they are ideal for laboratory, research, biotech, industrial, and sample storage applications.
✔ Standard 20mm vial compatibility
✔ Premium gray chlorobutyl rubber construction
✔ Excellent chemical resistance
✔ Low gas permeability
✔ Strong leak-resistant sealing performance
✔ Supports sterilization processes
✔ Reliable elasticity and resealing capability
✔ Suitable for laboratory and sterile environments
These chlorobutyl rubber stoppers are generally compatible with standard autoclave sterilization conditions:
Designed to maintain sealing performance and elasticity during proper sterilization procedures.