Fiberglass ie vevela shrinkage o le mafuaaga autu o le PTFE lipine dimensional le mautu. I le PTFE sintering vevela (360-400 ° C), fa'asa'oloto lalaga mamafa totoe. Afai e le taofiofia, e fa'a'e'e le ie; afai e taofiofia, o lo'o lokaina le fa'amamafa natia i totonu, e mafua ai ona fa'aitiitiga mulimuli ane a'o fa'amalo fa'apipi'i (150-200°C) ma fa'avevela fa'aaoga. Fofo: faʻaaoga muamua-vevela-set fiberglass faʻatasi ma le <0.5% faʻaitiitia ile 400°C, faʻaumatia faʻamaʻi totoe aʻo leʻi faʻapipiʻiina.