Kev kho deg ntawm PVC ua npuas ncauj pawg thawj coj saib; thaum txau cov xim, peb yuav tsum them sai sai rau kev kho saum npoo ntawm cov npuas laj pawg. Cov roj, hmoov av thiab hmoov av ntawm qhov chaw yuav tsum tau ntxuav. Qhov saum npoo yuav tsum tsis txhob qhuav dhau thiab ntub me ntsis thaum txau cov xim pleev xim. Do cov xim tusyees; thaum peb ua tiav cov txheej txheem PVC ua npuas ncauj xim txheej txheem, peb yuav tsum xub do cov xim kom huv. Cov nyhuv ntawm txau cov xim pleev xim tsis sib xyaw tsis zoo. Tsis tsuas yog nkim PVC ua npuas ncauj pawg thawj coj saib, tab sis kuj nkim cov xim zoo. Zom cov xim rau hauv Ib qho twg
Txawm hais tias PVC daim ntawv muaj qhov muaj zog tiv taus oxidants, txo cov kab mob thiab cov kua qaub uas muaj zog, nws tsis tuaj yeem ncaj qha hu rau concentrated sulfuric acid thiab concentrated nitric acid. Nkag siab txog cov txheej txheem tsim tawm: Ntsuas cov khoom siv pabcuam - sib xyaw - pub mis - extrusion ntaus ntawv los ua cov khoom yas thiab sib xyaw thaum txhaj cov khoom ua npuas ncauj - tus thib ob txhaj-qib extrusion ntaus ntawv mus ntxiv plasticize thiab sib tov tusyees nrog tus sawv cev foaming- -Errusion los ntawm tuag-txias thiab teeb tsa-traction-rewinding-ntim. Cov cuab yeej siv nyob rau hauv txhua tus txheej txheem yuav tsum tau sim nyob rau hauv kev nthuav dav, thiab cov cuab yeej uas ntxim rau cov teeb meem yuav tsum tau kho thiab kho raws sijhawm. Tom qab siv tas, txhua yam cuab yeej siv yuav tsum raug kaw, suav nrog cov khoom siv hluav taws xob.
