BTO Septa by Greyhound

BTO Septa - are Bleed and Temperature Optmized for the most demanding GC and GC-MS applicatons: it is the finest GC septum available. Septa BTO is formulated to extend low bleed and outstanding mechanical propertes of premium GC septa to the highest-temperature applicatons. It retains remarkable soŌness and pierceability at high temperatures, with extremely low bleed, and has been optmized to reduce injecton port adhesion.
Now you can perform extended cycles of the automatic sampler without fear of sample loss due to the reverse release of the carrier gas. Marathon Septa are also ideal for standard manual input of GC and GC-MS samples.