Crimp closure, N 11, alu., blue, center hole,PTFE red/Silicone w./PTFE red,1.0mm 702995.3

Septa are assembled, caps are ready-to-use.

Septa are shown for illustration purposes only, images upside down.

Packs of 100 closures each

Both-sided PTFE laminated Silicone septa, so-called sandwich septa, are often used in high sensitive analysis and in research and development applications, since coring during penetration has been shown to be lowest here. Due to the high temperature resistance the material is ideal for usage in GC.