Kev ua si hauv pem teb yog ib hom hauv pem teb tshwj xeeb tsim rau kev ua kis las siv cov khoom siv PVC. Tshwj xeeb tshaj yog nws yog ib qho tseem ceeb raw khoom nrog polyvinyl chloride thiab nws cov copolymer resin, ntxiv muab tub lim, plasticizer, stabilizer, colorant thiab lwm yam auxiliary cov ntaub ntawv, nyob rau hauv daim ntawv nruam cov ntaub ntawv, los ntawm txheej technology los yog los ntawm calendering, extrusion los yog extrusion txheej txheem ntau lawm thiab ua ib tug yam pem teb.
