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Septa BTO

Item# SBTO01

$84.27

BTO® (Bleed and Temperature Optimized) red-orange septa are the most widely used of the premium septa. The material and processing have been chosen to allow the BTO septa to be used at 400°C in the injection port (330-350 deg. C for 17mm size) and to provide the lowest bleed of all septa. Learn More

Septa AG3

Item# SAG301

$77.59

The CRS Advanced Green 3 was specifically created to combine significantly longer injection life, low bleed and low injection port adhesion. The result is a green septum you can use for all your critical analyses. Maximum temperature 350 deg. C (except in the 17mm size – please see specification details). AG3 septa are popular but they are somewhat higher in bleed than the BTO septa. Learn More

Septa Marathon

Item# SMAR01

$50.83

Long injection life, pre-pierced for minimal coring. Maximum temperature 350 deg. C (except in the 17mm size – please see specification details). CRS Marathon septum typically achieves 400 injections without failure. Marathon is ideal for standard manual-injection GC and GC/MS. 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. Learn More

Septa Puresep T

Item# PST01

$48.69

Silicone-based septum is faced on one side with a double layer of polyimide and PTFE. The polyimide adheres to both the silicone and PTFE, providing a better bond and enhanced durability. The outer PTFE coating assures maximum inertness and helps minimize bleed. Maximum inlet temperature 225 deg. C. Learn More

Septa Puresep P

Item# PSP01

$45.82

Puresep P (TM) is made from silicone coated with a layer of high-temperature polyimide. Although the polyimide layer is stable to 400 deg. C, the recommended upper limit for the septum is 300 deg. C due to the characteristics of silicone. Learn More

Economy Blue Septa

Item# EBS01

$32.03

Our Blue Septa is designed for non-demanding, routine applications. They are easy to penetrate. The septa can be used up to 275 deg. C and are suitable for 90% of all GC analyses. Learn More
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