Nylon feem ntau muaj cov ntsiab lus qis dua li polyester, ua rau nws tsis tshua muaj "kub" raws li kev tiv thaiv tshav kub. Nylon melts ntawm ib ncig ntawm 220 degree (428 degree F), hos polyester muaj ib tug ntau dua melting point ntawm ib ncig ntawm 260 degree (500 degree F). Qhov no txhais tau hais tias polyester tuaj yeem tiv taus qhov kub thiab txias ua ntej melting, uas tuaj yeem ua rau nws tsim nyog rau cov ntawv thov uas tseem ceeb heev.
Txawm li cas los xij, nyob rau hauv cov nqe lus ntawm rwb thaiv tsev thiab sov so thaum hnav, nylon nyiam sov dua polyester vim nws yog denser thiab tsis breathable, ntxiab ntau lub cev kub.
