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Additional Details
# PTFE/Red Rubber septa are resistant to coring and offer good resealing characteristics
# Gray Butyl is an economical septum for low temperature applications
# PTFE/Gray Butyl septum provides increased chemical resistance
# PTFE/Silicone septa offer excellent chemical resistance, resealing characteristics and low background
# Use Aluminum Foil/Silicone septa in extreme high temperature applications
# PurePak PTFE/Silicone septa are packed in glass jars to maintain purity up to the point of use