Ntau yam khoom siv yas siv hauv peb lub neej txhua hnub yog ua los ntawm PVC yas. Cov dej ntsiab lus ntawm PVC yas muaj kev cuam tshuam zoo rau cov khoom yas zoo. Cov dej noo ntau dhau ntawm PVC yuav ua rau PVC rau agglomerate, thiab nws kuj tseem tuaj yeem ua rau PVC ua pwm rau lub sijhawm ntev, uas tsis yog tsuas yog cuam tshuam rau cov tsos thiab xim ntawm cov khoom, tab sis kuj coj teeb meem rau kev ua haujlwm tom ntej. Nws yog ib qho nyuaj kom paub cov dej noo ntawm PVC yas tsuas yog los ntawm kev pom kev pom. PVC tuaj yeem siv lub tshuab ziab khaub ncaws uas tshem tawm cov dej noo. Qhov ziab kom qhuav yog feem ntau 60 degree ~ 80 degree, thiab qhov ziab ntawm cov khoom yuav tsum tsim nyog, thiab cov ntsiab lus noo noo yuav tsum tau tswj tsis pub dhau 2 feem pua. Ntxiv nrog rau kev ua raws li qhov ntsuas kub kom raug, nws tseem ceeb heev kom ntseeg tau tias cov dej lwg hauv cov huab cua qhuav yog qis dua 20 degree. Thaum siv ntau lub thawv ntim nrog qhov sib txawv qhov siab thiab qhov ntom ntom, nws yuav tsum tau ua kom ntseeg tau tias txhua lub thawv tuaj yeem ua tiav huab cua txaus. Txhawm rau tsim cov khoom yas zoo, peb yuav tsum tau them sai sai rau txhua qhov txuas, thiab ziab ntawm PVC yas yog qhov txuas tseem ceeb heev.
