Ezi caps zenza isitywina esiqinileyo kwaye zibonelela ngomqobo olungileyo wekhemikhali. Le liner iyazibumba ijikeleze iindawo zokutywina zesiphelo njengoko i-cap ikrwelwe, isusa ukuvuza, ukuvela komphunga, ukungcoliseka, ukubophelela kunye nokuxhaswa.
I-Aijiren Septa inezi mpawu zilandelayo:
1. I-Teflon kunye ne-rubber ye-silicone okanye i-silicone ye-ultra-pure isetyenziswa njengezinto ezibonakalayo ukuze kuqinisekiswe ukuba i-septa ayinayo inetyhefu; ukuqinisekisa imisebenzi egqwesileyo, ilungele ngokukodwa i-chromatography yegesi, kunye nokuqinisekisa ukuba i-septum ayiweli kwi-vial yesampuli ngexesha lenkqubo yokutofa;