I-PTFEishidi/ipleyiti yenziwe ngokubumba kunye ne-sintering i-cylindrical blank, enqunywe kwi-aiphepha ngesixhobo somatshini kwaye emva koko ikhalenda.Ngokweendlela ezahlukeneyo zonyango, inokwahlulwa ibe ziindidi ezintathu: inwebu ejoliswe kuyo, i-membrane ene-semi-oriented kunye ne-non-oriented membrane.Okwangoku, iimveliso ze-membrane ze-PTFE ziquka i-membrane ene-porous,ukuhluzwa kancinci inwebu, inwebu yombala njalo njalo.