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DURAN® GL 45 Brombobutyl Rubber Stopper


In stock

DURAN® GL 45 Brombobutyl Rubber Stopper

Description

DURAN® bromobutyl rubber closure provide a gas tight seal for all GL 45 laboratory bottles. Bromobutyl rubber is essentially impermeable to most gasses, and provides a controlled environment inside the glass bottle for oxygen sensitive materials. Useful for maintaining anaerobic culture conditions. Butyl rubber allows for multiple punctures providing easy access to the contents with a syringe.

  • Stopper shape, and material properties optimised to fit DURAN® GL 45 bottles with sizes from 100 to 20,000 ml.
  • Low permeability to air, gases and moisture.
  • Manufactured from a high purity bromobutyl rubber elastomer.
  • Conforms to EP 3.2.9 Type I closure for chemical and penetration tests..
  • Material is virtually free of organics that might leach into the incubation medium.
  • Elastic material for effective sealing and reliable self-sealing after needle piercing.
  • Upper surface features seven numbered hemispherical impressions for needle-piercing.
  • Wide usable temperature range: -50 to +121 °C.
  • Suitable for autoclaving / steam sterilising at 121 °C for 20 minutes.
  • Use with the DURAN® GL 45 open topped / aperture screw cap for extra security*.
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