DURAN Wheaton Rubber Stopper (W224100-193)

DURAN Wheaton Rubber Stopper (W224100-193)

The DURAN Wheaton Rubber Stopper (W224100-193) is a 2-leg lyophilization stopper made from gray rubber, designed specifically for freeze-drying (lyophilization) processes in pharmaceutical and analytical laboratories. Its dual-leg configuration ensures a stable and secure fit inside vial necks, maintaining precise positioning during vacuum and thermal cycles.

The stopper’s gray rubber composition provides excellent chemical resistance, low gas permeability, and elastic recovery, ensuring long-term sealing integrity. Fully autoclavable, it maintains flexibility and dimensional stability even after repeated sterilization, making it ideal for aseptic and controlled environments.

The DURAN Wheaton Rubber Stopper ensures reliable vial closure and protection for sensitive biological, chemical, and pharmaceutical materials.

Product Highlights

• Type: 2-Leg Lyophilization Stopper

• Material: Gray Rubber

• Size: 13 × 20 mm

• Autoclavable: Yes (steam-sterilizable)

• Design: Two-leg structure for stable vial placement

• Chemical Resistance: Excellent against laboratory reagents

• Gas Permeability: Very low for optimal sample preservation

• Part Number: W224100-193

Applications

• Freeze-drying (lyophilization) processes

• Pharmaceutical vial sealing

• Analytical and biotechnology research

• Chemical and clinical laboratories