Raws li cov khoom siv tshuaj lom neeg nyiam tshaj plaws ntawm kev ua lag luam, ntau lub tuam txhab tsim khoom tau tshawb fawb ntau lawm ntawm PVC cov yas yas. Tom qab xyoo ntawm kev tshawb fawb ntau lawm, PVC cov khoom yas tuaj yeem tshwm sim ntawm kev ua lag luam hauv ntau hom ntawv, uas tuaj yeem ua tau raws li qhov xav tau sib txawv ntawm cov neeg siv ntau dua. Niaj hnub no, peb cov chaw tsim khoom yas yas PVC yuav qhia txog ntau yam ntawm PVC yas pellets.

Thawj qhov uas yuav los qhia yog daim ntawv me me ntawm PVC daim kab xev. Nws yog ib yam ntawm cov yas mos muag. Vim tias nws cov yam ntxwv mos, nws feem ntau siv los ua cov pob tshab pob tshab. Ib qho ntxiv, ntxiv qee qhov ntxiv rau nws tus kheej tuaj yeem ua rau nws tawv. Hom thib ob yog PVC txhaj tshuaj pellets. Hom no tuaj yeem muab faib ua ntxhib, txho, daj thiab liab. Nws muaj kev tiv thaiv corrosion zoo heev, huab cua tiv taus thiab ruaj khov, tsis muaj kuab lom, thiab nws ruaj khov heev thaum tsim los rau ntau yam khoom. Yog li ntawd, nws yog ib qho ntawm cov khoom nrov tshaj plaws ntawm kev ua lag luam. Hom thib peb yog PVC ib puag ncig kev tiv thaiv ib puag ncig, uas yog cov khoom siv tiv thaiv ib puag ncig zoo, tsis muaj qhov ntxhiab tsw txawv, muaj lub zog khov, thiab yooj yim rau txheej txheem. Lawv feem ntau siv los ua cov khoom ua si, ntaub pua plag pob tshab, cov khoom siv niaj hnub, khoom siv kho vajtse, cuab yeej cuab tam, thiab lwm yam.