PVC luv rau Polyvinyl Chloride, uas tseem hu ua Polyvinyl Chloride hauv Suav. Siv cov khoom siv tsis-crystalline ua raw khoom, hauv kev tiv thaiv oxidation, muaj zog acid tsis kam thiab txo qis kev ua haujlwm muaj kev ua haujlwm siab. PVC kuj muaj lub zog siab thiab ruaj khov zoo, thiab tsis kub hnyiab, tuaj yeem tiv taus kev hloov pauv huab cua los ntawm kev puas tsuaj thiab lwm yam tshwm sim. Nws yog cov khoom siv zoo heev, vim nws muaj kev nyab xeeb siab, yog li nws tuaj yeem pom txhua qhov chaw hauv lub neej.
Nyob rau tib lub sijhawm, PVC, raws li lub ntiaj teb' kev tsim khoom loj tshaj plaws ntawm cov khoom yas, tau muab faib ua ob hom PVC, muag muag thiab tawv, feem rau ntau lub sijhawm los muab kev xaiv sib txawv. Ntawm lawv, PVC mos feem ntau yog siv los ua cov khoom siv hauv pem teb thiab qab nthab, thaum cov khoom siv tawv PVC tau siv ntau hauv cov rooj sib dhos, cov qhov rooj thiab lub qhov rooj, thiab ntau yam kev lag luam tshuaj lom neeg tsim. Thiab cov khoom siv PVC kuj muaj qhov hloov pauv tau, los ntawm kev ntxiv cov tshuaj sib txawv, tuaj yeem hloov pauv lub cev ntawm PVC thiab nws cov khoom siv tshuab, tuaj yeem cuam tshuam nrog kev siv ntau zaus.
Tib lub sijhawm, peb yuav tsum nco ntsoov koj tias thaum yuav cov khoom siv PVC, feem ntau nws yooj yim rau tus tswv lag luam dag. Cov khoom siv PVC tsis zoo hauv kev hnav tsis kam, kev ua kom tsis muaj kuab paug tsawg dua li cov khoom siv PVC zoo. Cov khoom lag luam ua los ntawm PVC tsis zoo tsis yog tsuas yog ua haujlwm tau zoo, tab sis kuj muaj kev pab lub neej luv luv. Peb lub khw muaj nws lub Hoobkas, tsom mus rau ua cov khoom lag luam zoo PVC muaj 8 xyoo keeb kwm, thov so kom txaus siab yuav.
