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• Suitable for GL45 caps with central opening 34 mm and for GL25 caps with central opening 15 mm • Easy piercing of the septum with a syringe
Bromobutyl septum• Low permeability to most gases, air, moisture • Suitable for the storage of oxygen-sensitive products, anaerobic cultures • High quality bromobutyl elastomer • Operating temperatures: -50 to +121 °C • Autoclavable at 121 °C 20 minutes
PTFE Silicone septum• PTFE coated silicone, flexible for easy needle penetration and sealing after drilling • High chemical resistance • Liquid tightness • Operating temperatures: -50 to +180 °C • Autoclavable at 121 °C 15 minutes • Dry heat sterilization up to 180 ° C
