Nsalu zopangidwa ndi ulusi wa polyester zimakhala ndi kusinthasintha kwabwino, kukana makwinya, kusunga mawonekedwe, kuchapa bwino komanso kulimba, ndi zina zotero kotero kuti zimagwiritsidwa ntchito kwambiri pamitundu yonse ya nsalu.
Zimapangidwa pogwiritsa ntchito dicarboxylic acid ndi dihydric alcohol. Zipangizo zoyambira izi zitha kugwiritsidwa ntchito popanga zinthu zambiri, kuyambira mabotolo a soda mpaka maboti, komanso ulusi wa zovala. Monga nayiloni, polyester imasungunuka - njirayi imalola ulusi kupangidwa m'mawonekedwe ndi makulidwe osiyanasiyana kuti zigwiritsidwe ntchito mwanjira inayake.
Itha kugwiritsidwa ntchito pa zovala zamakono, koma imakondedwa kwambiri chifukwa cha luso lake loletsa makwinya komanso kusambitsidwa mosavuta. Kulimba kwake kumapangitsa kuti ikhale chisankho chofala kwambiri pa zovala za ana. Polyester nthawi zambiri imasakanizidwa ndi ulusi wina monga thonje kuti ipeze zabwino zonse ziwiri.






