PTFE ntama a ɛyɛ hyew kɛse ma nnuru a ɛyɛ soronko a ɛko tia, na egyina acid a ano yɛ den, alkalis, organic solvents, ne mframa a ɛporɔw ano. Saa asɛm yi ka nneɛma a ɛko tia, anohyeto ahorow (alkali dade a ayow, nneɛma a ano yɛ den a ɛma fluorin), ne nneɛma atitiriw te sɛ ɔhyew, sɛnea ɛdɔɔso, ne mfiri mu nhyɛso ho asɛm kɔ akyiri.

Ɛnyɛ ntama a wɔde fiberglass ayɛ nkutoo na wɔde PTFE nsu gu mu. Saa asɛm yi de substrates foforɔ 7 ba – aramid, carbon fiber, PBI, porous metal, graphite, asbestos (wɔayi afiri hɔ nkakrankakra), ne ceramic fillers – a wɔn dwumadie no su, mfasoɔ, anohyetoɔ, ne dwumadie titire.

Saa asɛm yi kyerɛkyerɛ nea enti a fiberglass ntama a alkali nnim ne ade a wɔpɛ sɛ wɔde yɛ PTFE ntama a ɛyɛ hyew kɛse no mu. Ɛkata nnuru bonding via silane coupling agents ne honam fam nneɛma atitiriw te sɛ ɔhyew a ɛyɛ den, dimensional stability, ne corrosion resistance – hwɛ hu sɛ ɛyɛ adwuma a ɛtra hɔ kyɛ wɔ mmeae a ɛyɛ den.