Septa are an important part of the GC instrument, providing a leak-free seal at the inlet, and require good durability, resealability and low bleed to optimize the performance of your instrument.
Septa from Thermo Fisher Scientific are available in several types of materials, described below, to fit Thermo Fisher Scientific's GC and GC/MS instruments as well as other manufacturers’ instruments, matching different application needs.
Triple layer with Teflon
Silicone with Teflon
High Grade Silicone
High Grade Silicone with Teflon
Low Bleed Silicone
High Temperature, Long Life
BTO septa are recommended for use with Thermo Scientific TRACE and FOCUS injectors, although other septa may also be used.