I-Silicone \ / ptfe (i-Polytetrafluoroothee) I-Septa, ekwabizwa ngokuba yi-Silicone \ // ptfener okanye i-PETFE I-CHEDIERS kunye ne-chemistry eqhelekileyo yokutyibilika ii-vials zesampulu okanye izikhongozeli. Ezi septa zibonelela ngetywina elikhuselekileyo neluthembekileyo ukuthintela isampulu okanye ungcoliseko.Ilizulu \ / ptfe septha zisetyenziswe ngokubanzi kwizicelo ezinje nge-chromatography (GC), uhlalutyo lweentloko, kunye nokugcinwa kwesampulu. Zifumaneka ngobukhulu obahlukeneyo kunye nohlengahlengiso ukuze zihambelane neentlobo ezithile ze-vial okanye zekhonteyina, ziqinisekisa itywina elikhuselekileyo nethembekileyo kwiinkqubo ezahlukeneyo zelebhu.
