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Four types of septa: Long Life GC Autosampler Septa - Low Bleed High Temperature Septa - PTFE High Temperature Septa - Three Layer Septa

High Temperature Septa
High Temperature Septa for operating temperatures up to 212° C.

Three Layer Septa
Three Layer Septa for operating temperatures up to 400° C.

Long Life GC Autosampler Septa
Long injection life, pre-pierced for minimal coring. Maximum temperature 400° C. Long injection life septum typically achieves 400 injections without failure, when used with a rounded-tip ( Agilent-style) needle and autosampler or needle guide. Ideal for standard manual-injection GC and GC/ MS. 3 mm thick. CenterGuide™ design requires less force for initial penetration, for a smoother feel. Septum life may be enhanced in some applications by minimizing tearing and coring.

Low Bleed High Temperature Septa
BTO is Bleed and Temperature Optimized for today' s most demanding GC and GC/ MS applications. Septa BTO is formulated to extend low-bleed and outstanding mechanical properties or premium GC septa to the highest-temperature applications. 3 mm thick. CenterGuide™ design requires less force for initial penetration, for a smoother feel. Septum life may be enhanced in some applications by minimizing tearing and coring. Low Bleed High Temperature Septa for operating temperatures up to 400° C.