Polyester yog qhov tseem ceeb ntawm ntau yam hluavtaws. 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 yog tias cov nplaws tiv taus thiab kev ua kom zoo dua qub tau zoo heev, thiab nws muaj Shaping kev ua tau zoo. Nws muaj ntau hom ntawm kev thov thiab yog tus neeg hlub lub siab.
