Equipment and Instruments

DURAN® Bromobutyl Rubber Stoppers


Please note: For an official quote with updated pricing and availability in PDF, please add your items and quantities to your quote and submit.


Product CodeDiameter – mmHeight – mmThread – GLOther
29-206-130122.512GL 25FOR USE WITH OPEN CAPS
29-206-2803a4121GL 45FOR USE WITH OPEN CAPS

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Additional information


GL 25, GL 45


straight plug grey
Bromobutyl rubber elastomer (USP <381> / 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

Images provided are for illustration purposes only and actual products might differ slightly. All CC Imelmann product information is obtained directly from our suppliers. We cannot be held responsible for any errors or omissions (E&OE).

If you would like to confirm details on any product, please pop us an email.

“Prices are subject to change” For fixed prices and availability, please submit a “Quote Request”

Lead times:

  • Ex-stock: Goods are available at our warehouse. Subject to prior sale
  • Ex-import: 6 – 8 weeks from date of an official order. For a shorter delivery time, please contact us.
  • Special manufacturing: eg. glassblowing; 6 – 8 weeks
  • Special non-stock: 6 – 8 weeks


*Lead times are given in good faith but availability is always subject to prior sale.

*For our cancellation and returns policy, please refer to our Terms & Conditions.