I-1) Kuyinto eyinhloko yefilimu ye-Polyimied yokushisa okuphezulu, i-resin, ipulasitiki yobunjiniyela njenge-bellows: I-Polyimide, i-polyether imide, i-polyester imide, i-polymaleimide, i-poly aryl amide 2)Iyinto engu-3,3',4,4'-Tetraaminodiphenyl Ether okuyi-monomer eyinhloko yochungechunge lwempahla ye-polymeric enephunga elimnandi ye-heterocyclic ukumelana nokushisa 3) Kuyimpahla yokusebenza okuphezulu kokumelana nokushisa kwe-epoxy resin, i-polyurethane nezinye izinto ze-polymer kanye ne-agent exhumanisayo.