Thepa e phahameng ea mochini o phahameng oa pei-

Polyettimide (Pei) ke mohopolo oa Amorphous, Ober-to-Tranpant Iphete ho POek, Pei o theko e tlaase, empa o tlase ka matla a tšusumetso le mocheso o fokolang. Ka lebaka la thepa ea eona ea ho khomarela le bokooa ba lik'hemik'hale e ile ea fetoha thepa e tummeng ea ho robala e lata bahahlauli ba 3D.

Mocheso oa khalase oa Pei o 217 ° C (422 ° F). Ha e le letsoalo la eona la amorphous ka 25 ° C ke 1,27 g / cm3 (.046 lb / in³). E na le maikutlo a ho sithabela maikutlong a li-soselina tse halikiloeng. Polyetdimide e khona ho hanela lithemparetjha tse phahameng tsa motlakase ka bongata ka bophara ba maqhubu a mangata. Lintho tsena tse matla tse fana ka boitšoaro bo phahameng ba lik'hemik'hale tsa lik'hemik'hale tsa lik'hemik'hale le matla a hohola tse loketseng likopo tse fapaneng, le ba kenyelletsang ho pepesetsoa.