Rubber Stopper for GL 25 laboratory bottles, straight plug, Grey Bromobutyl, 10 pc/PAK

Bromobutyl rubber elastomer coforms with EP 3.2.9 Type I closure for chemical and penetration tests
Gas tight seal provides controlled environment in the bottle
Lot specific Certificate of Conformance (CoC)
A Type III Packaging Material DMF (35811) for these products has been filed with the FDA
Elastic material for effective sealing and reliable self-sealing after needle piercing (21-gauge “21G” or smaller)
Multiple punctures providing easy access to the contents with a syringe
Stopper shapes and material properties optimised to fit DURAN® GL 25 or GL 45 bottles
Suitable for autoclaving / steam sterilising at 121 °C for 20 minutes
Wide usable temperature range: -50 to +121 °C