Qhuav Taw Qhia

Polyurethane feem ntau interchangeably hu ua "urethane". Txawm li cas los xij, polyurethane tsis muaj, thiab tsis yog tsim los ntawm ethyl carbamate. Polyurethane feem ntau yog cov khoom siv tshuaj thaum lub gasket los yog lub foob yuav tsum mos zoo li roj hmab los yog tawv zoo li yas, tiam sis ua rau ib puag ncig tsis muaj roj hmab gasket los yog yas gasket yuav ciaj sia. Cov yam ntxwv ntawm cov khoom siv ntawm polyurethane ua rau nws zoo dua tiv taus abrasions, txiav, tawg, roj, roj, tshuaj, muaj kev cuam tshuam thiab hnyav. Nws yog zoo tiv thaiv ozone thiab oxygen. Cov ntawv thov rau polyurethane gaskets thiab cov ntsaws ruaj ruaj muaj xws li hnav cov ntaub qhwv, cov khoom siv hluav taws xob, lub tshuab mounts, kev co damping thiab kev poob siab.