Cov pa roj hmab siv roj av tiv taus cov roj, acid thiab alkali, txias thiab kub, thiab kev laus ua haujlwm. Lawv tuaj yeem txiav ncaj qha rau hauv gaskets ntawm ntau yam duab thiab siv dav hauv tshuaj, khoom siv hluav taws xob, tshuaj lom neeg, antistatic, nplaim taws rov qab, khoom noj thiab lwm yam lag luam.
