Polyester yog ib qho tseem ceeb ntawm hluavtaws xov. Nws tus nqi yog tus nqi pheej yig, cov txheej txheem yog yooj yim, thiab nws muaj zog thiab ruaj khov, zoo elasticity, tsis yooj yim rau deform, corrosion tsis kam, rwb thaiv tsev, txhav, yooj yim ntxuav thiab qhuav, thiab lwm yam kom zoo dua qhov loj tshaj plaws yog tias qhov khoom khov kho thiab kev ua kom zoo cov duab yog zoo heev, thiab nws muaj Shaping kev ua tau zoo. Nws muaj ntau hom ntawm kev thov thiab yog tus neeg hlub lub siab.