Urutoki rwa zahabu, bizwi kandi nkaKapton or kaseti, iKaptonishingiye kuri firime ya polyimide, isizwe hamwe na silicone ikora cyane-yunvikana-yometse kumpande imwe, kandi ifite fluoroplastique yo kurekura ibintu kimwe cyangwa ntabwo igizwe nubwoko bubiri bwibikoresho. Ipfunyika neza igera kuri ± 2,5um, nta gushushanya, gushushanya insinga, nibindi, imikorere myiza yo kogoshesha, byoroshye gukubita ibiti byo gupfa, birwanya ubushyuhe buhanitse kandi birwanya solvent!