Caps
DURAN® Bromobutyl Rubber Stopper, for GL 25 or GL 45 Laboratory bottles
- Bromobutyl rubber elastomer conforms with EP 3.2.9 Type I closure for chemical and penetration tests
- Gas tight seal provides a controlled environment inside the bottle
- Lot specific Certificate of Conformance (CoC) available
- 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
- Septum for Head-space analysis