Dab tsi yog cov khoom siv PVC

PVC yog polyvinyl chloride, uas yog cov khoom siv polymer raws li ethylene thiab tsis muaj tshuaj lom. Txawm li cas los xij, vim qhov sib ntxiv ntawm plasticizers, antioxidants thiab lwm yam additives hauv kev tsim khoom, polyvinyl chloride muaj qee qhov kev toxicity. PVC yog ib hom kev siv lub tshuab nqus tsev vacuum. Nws cov tshuaj muaj pes tsawg leeg yog PVC, feem ntau hu ua cov yeeb yaj kiab zoo nkauj thiab cov nplaum nplaum. Vim nws txoj kev ua tau zoo, kev tiv thaiv corrosion, thiab hluav taws xob rwb thaiv tsev, polyvinyl chloride yog dav siv nyob rau hauv ntau yam khoom siv hauv tsev, xws li curtains, kav dej, suspended ceilings, qhov rooj thiab qhov rais, plugs thiab cables, thiab lwm yam. Polyvinyl chloride yog siv rau tsim ntau hom tawv, xws li basketball, raincoats, siv, thiab lwm yam.
Cov khoom ntawm PVC yog dab tsi? Cov khoom siv PVC tam sim no yog cov khoom siv yas ntau tshaj plaws hauv ntiaj teb, nrog tus nqi qis thiab siv dav. PVC yog ib qho amorphous dawb hmoov nrog qis branching degree thiab tsis zoo lub teeb thiab kub tsis kam. Los ntawm kev ntxiv cov khoom sib txawv, polyvinyl chloride plastics muaj cov khoom sib txawv ntawm lub cev thiab cov khoom siv kho tshuab. Los ntawm kev ntxiv cov yas tsim nyog, ntau yam khoom tawv, muag muag, thiab pob tshab tuaj yeem tsim tau.