Silicone \/PTFE (Polytetrafluoroethylene) septa, oo sidoo kale loo yaqaanno silikoon \/ PTFE liners ama koofiyadaha, ayaa inta badan loo adeegsadaa shaybaarada iyo kimistariga falanqaynta si loogu xidho dhalooyinka ama weelasha saamiga. Septa-yadani waxay bixiyaan shaabad aamin ah oo la isku halayn karo si looga hortago uumiga ama wasakheynta.Silicone\/PTFE septa ayaa si weyn loogu isticmaalaa codsiyada sida gaaska chromatography (GC), chromatography dareere (LC), falanqaynta madaxa, iyo kaydinta muunada. Waxaa lagu heli karaa cabbirro kala duwan iyo qaabeyn si ay ugu habboonaadaan noocyada dhalooyinka ama weelka, hubinta shaabad sugan oo la isku halayn karo oo loogu talagalay hababka shaybaarka ee kala duwan.