Use low bleed, robust BTO Septa for demanding GC-MS applications.

Use low bleed, robust BTO Septa for demanding GC-MS applications.

Use low bleed, robust BTO Septa for demanding GC-MS applications.

A wide range to cover most applications

Bleed and temperature optimized material.

Three Layer Septa for operating temperatures up to 200° C

High Temperature Septa is made of preconditioned PTFE/silicone rubber.

Retains softness and pierceability at high temperatures and low injection port adhesion.

Three Layer Septa is made of preconditioned silicone rubber and is 3.81 mm (0.150 in) thick.

EC GC septa is designed for long lifetime and low injection port adhesion

HT GC septa is a bleed and temperature optimized material

Designed for long lifetime and low injection port adhesion.

Seal vials with GC injection port septa. The Macherey-Nagel™ silicone/PTFE septa comes in a variety of sizes.

Three Layer Septa is made of preconditioned silicone rubber and is 3.81 mm (0.150 in) thick.

High Temperature Septa is made of preconditioned PTFE/silicone rubber and is 3.175 mm (0.125 in) thick

High Temperature Septa is made of preconditioned PTFE/silicone rubber.

High Temperature Septa is made of preconditioned PTFE/silicone rubber.

High Temperature Septa is made of preconditioned PTFE/silicone rubber.