Thermo Scientific Septa by Thermo Fisher Scientific

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Thermo Scientific Septa
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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
280 °C

Silicone with Teflon
200 °C

High Grade Silicone
320 °C

Auto-Sep T™
High Grade Silicone with Teflon
350 °C

Low Bleed Silicone
400 °C

High Temperature, Long Life
400 °C

BTO septa are recommended for use with Thermo Scientific TRACE and FOCUS injectors, although other septa may also be used.