Nsalu yotentha kwambiri ya PTFE imapangidwa ndi kupaka PTFE pansalu yamphamvu kwambiri ya fiberglass, yomwe imapereka mphamvu zolimba, kukana kutentha, katundu wosagwira ndodo, kukana mankhwala, komanso kugundana kochepa. Ntchito zazikuluzikulu zikuphatikiza: kutumizira mafakitale (kutengera kutentha, kuphika chakudya, zowumitsa nsalu, kuyanika mapepala / filimu); nsalu zomangira zophatikizika komanso zomangira zomangira zowotcha; kuwotcherera makatani oteteza ndi ma jekete oteteza kutentha; magetsi galimoto ndi thiransifoma kutchinjiriza; kumanga zitsulo zotsetsereka ndi zothandizira mapaipi; kusefera kwa mankhwala ndi kusindikiza ma valve m'malo owononga. Kulimba kwamphamvu kwamphamvu kumatsimikizira kulimba pansi pa kukanidwa, kung'ambika, kusinthasintha mobwerezabwereza, komanso kupsinjika kwamakina kwapamwamba pamakina osiyanasiyana olemetsa.

Pa sintering, PTFE particles pa fiberglass nsalu kusungunuka pamwamba 327 ° C, kuwononga choyambirira apangidwe-unyolo lamellae ndi tinthu malire kupanga amorphous kusungunuka. Ikazizira, PTFE imakhazikikanso kukhala ma spherulites opangidwa ndi ma radially oriented lamellae, okhala ndi crystallinity kuyambira 50-70%. Kuzizira kumatsimikizira ungwiro wa kristalo: kuzizira pang'onopang'ono kumapereka crystallinity yapamwamba, ma spherulites akuluakulu, kuuma kwakukulu; kuzimitsa mwachangu kumapereka ma spherulites abwino komanso kusinthasintha bwino.