• 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
