Imyenda ikozwe muri fibre polyester ifite elastique nziza, irwanya iminkanyari, kugumana imiterere, imikorere myiza yo gukaraba no kwambara no kuramba, nibindi kuburyo ikoreshwa cyane mubwoko bwose bwimyenda.
Byakozwe mugukora aside dicarboxylic hamwe na alcool ya dihydric.Ibi bikoresho fatizo birashobora gukoreshwa mugukora ibintu byinshi, kuva kumacupa ya soda kugeza kumato, hamwe na fibre yimyenda.Kimwe na nylon, polyester irashonga-iyi nzira ituma fibre ikorwa muburyo butandukanye no mubunini kubikorwa byihariye.
Irashobora gukoreshwa kumyambarire yimyambarire, ariko irashimwa cyane kubushobozi ifite bwo kurwanya inkari no gukaraba byoroshye.Gukomera kwayo bituma guhitamo kenshi kwambara kwabana.Polyester ikunze kuvangwa nizindi fibre nka pamba kugirango ibone ibyiza byisi byombi.