1) Ke lintho tse ka sehloohong tsa filimi e phahameng ea mocheso oa polyimied, resin, polasetiki ea boenjiniere e le metsu: Polyimide, polyether imide, polyester imide, polymaleimide, poly aryl amide 2) Ke thepa ea 3,3',4,4'-Tetraaminodiphenyl Ether eo e leng monomer ea mantlha ea letoto la lintho tse nkhang hamonate tsa heterocyclic tse hanyetsanang le mocheso oa polymeric. 3) Ke thepa ea ts'ebetso e phahameng ea ho hanyetsa mocheso oa epoxy resin, polyurethane le lisebelisoa tse ling tsa polymer le crosslinking agent.