Ikariso ya PU ya convoyeur ikozwe mu mwenda wa polyurethane, ufite ibimenyetso biranga kwambara, imbaraga nyinshi kandi birwanya gukata.Irashobora guhura neza nibiribwa, ubuvuzi nibisuku bidafite uburozi.Uburyo bukomatanyije bwumukandara wa PU bukoreshwa cyane cyane flexproof, kandi bamwe bakoresha ibyuma byuma.Ubuso bwumukandara burashobora kuba bworoshye cyangwa matte.Dufite cyane umukara, icyatsi kibisi n'icyatsi kibisi icyatsi cya PU.Umukandara urashobora kongeramo baffel, kuyobora, kuruhande hamwe na sponge nkuko abakiriya babisabwa.