PTFE akwa okpomọkụ dị elu na-enye nguzogide kemịkalụ pụrụ iche, na-eguzogide acid siri ike, alkalis, ihe mgbaze organic, na gas na-emebi emebi. Edemede a na-akọwapụta ihe ndị na-eguzogide ya, oke (ọla alkali gbazere, ihe ndị na-emepụta fluorinating siri ike), yana ihe ndị bụ isi dị ka okpomọkụ, itinye uche, na nrụgide n'ibu

PTFE impregnation ejedebeghị na akwa fiberglass. Isiokwu a na-ewebata ihe ndị ọzọ 7 - aramid, carbon fiber, PBI, metal porous, graphite, asbestos (phased out), na ceramic fillers - na njirimara usoro ha, uru, njedebe, na ngwa isi.

Isiokwu a na-akọwa ihe kpatara akwa fiberglass na-enweghị alkali bụ ọkacha mmasị maka akwa akwa okpomọkụ PTFE. Ọ na-ekpuchi njikọ kemịkalụ site na ndị na-ahụ maka njikọta silane na ihe ndị bụ isi anụ ahụ dị ka nkwụsi ike okpomọkụ, nkwụsi ike akụkụ, na nguzogide corrosion - na-eme ka arụmọrụ na-adịte aka na gburugburu ebe siri ike.