1) O le mea autu o le maualuga o le vevela polyimied ata tifaga, resini, inisinia palasitika e pei o le paluga: Polyimide, polyether imide, polyester imide, a polymaleimide, poly aryl amide 2) O mea o le 3,3',4,4'-Tetraaminodiphenyl Eter lea o le monomer autu o se faasologa o mea manogi heterocyclic vevela vevela mea polymeric 3) O mea o le maualuga o le faʻamalosia o le vevela o le epoxy resin, polyurethane ma isi mea polymer ma le sui faʻafesoʻotaʻi.