Lub PTFEntawv / phaj yog tsim los ntawm molding thiab sintering ib cylindrical dawb paug, uas yog txiav mus rau hauv ib tugdaim ntawv los ntawm lub tshuab cuab yeej thiab ces calendered.Raws li kev kho mob sib txawv, nws tuaj yeem muab faib ua peb hom: oriented membrane, semi-oriented membrane thiab non-oriented membrane.Tam sim no, PTFE membrane khoom muaj xws li ntxeem tau membrane,microfiltration membrane, xim membrane thiab lwm yam.