YCPVC vs PVC
Peb feem ntau tau paub txog PVC, uas yog cov khoom siv dav siv hauv kev tsim kho thiab tso dej. Nws sawv cev rau Polyvinyl chloride, thiab yog ib qho thermoplastic polymer uas tau siv thoob plaws ntiaj teb rau cov kav dej. Nws yog pheej yig dua li cov kav dej GI thiab muaj qhov yooj yim rau cov neeg koom nrog hauv cov kav dej ua haujlwm vim nws tuaj yeem sib sau tau yooj yim. Tsis ntev los no, lwm cov polymer tau ua rau hauv kev tsim kho thiab cov kav dej uas tau tshwm sim los ua cov khoom lag luam zoo dua nyob rau qee qhov xwm txheej dua li PVC. Nws yog CPVC, los yog Chlorinated Polyvinyl Chloride. Tsis muaj coob leej paub qhov sib txawv ntawm CPVC thiab PVC, thiab tsab xov xwm no npaj siab qhia cov yam ntxwv ntawm ob qho tib si CPVC thiab PVC los ua kom tib neeg muaj kev xaiv zoo dua nyob ntawm lawv cov kev xav tau.
CPVC yog dab tsi?
Qhov tseem ceeb, CPVC tsis muaj dab tsi tab sis PVC uas tau raug rau cov txheej txheem hu ua chlorination. Cov tshuaj chlorination no tshwm sim los ntawm cov tshuaj tiv thaiv hu ua dawb radical chlorination uas ua rau siv thermal lossis UV zog. Lub zog no hloov cov roj chlorine rau hauv cov tshuaj dawb radical chlorine uas cuam tshuam nrog PVC thiab hloov qee cov hydrogen los ntawm PVC hauv cov txheej txheem. Txawm hais tias CPVC khaws thiab faib feem ntau ntawm nws cov khoom nrog PVC, cov tshuaj chlorination no ua rau nws tsis muaj hluav taws kub thiab muaj peev xwm ua haujlwm nyob rau hauv cov xwm txheej uas kub nyob ib puag ncig ntawm 200 degrees Fahrenheit. Nws kuj tseem txhim kho cov khoom tiv thaiv corrosion zoo heev ua rau nws haum rau hauv cov xwm txheej uas muaj kev phom sij ntawm corrosion thiab PVC kav tsis tuaj yeem tiv taus. CPVC muaj qhov zoo nkauj sab hauv uas txhais tau hais tias nws tuaj yeem siv los thauj cov kua rau qhov deb dua yam tsis muaj teeb meem ntawm kev poob siab, scaling lossis pitting. CPVC kuj yog qhov zoo tshaj plaws hauv kev nqa dej kub thiab txias uas yog vim li cas nws thiaj li nyiam nyob rau hauv cov khoom siv cua sov
PVC
PVC tau siv dav hauv cov kav dej txhua lub sijhawm txij li nws qhov kev tsim khoom raws li nws pheej yig, hloov tau thiab tuaj yeem ua rau ntau yam duab thiab ntau yam khoom siv muaj rau cov kav dej nyob qhov twg muaj qhov khoov thiab nkhaus. PVC ib txwm tuaj yeem ua softer los ntawm kev ntxiv cov yas yas thaum twg muaj qhov xav tau. PVC tsis yooj yim ua rau cov kua qaub thiab cov hauv paus thiab yog li tsim nyog tshaj rau cov kua dej.
Muaj qee yam xwm txheej uas nws yuav tsum ceev faj nrog PVC xws li thaum aqueous ammonia lossis hydrochloric acid thauj los ntawm ib qho mus rau lwm qhov. Hauv txhua qhov xwm txheej, CPVC tuaj yeem siv tau yooj yim los ntawm PVC. CPVC kuj tseem tiv taus cov ntsev thiab aliphatic hydrocarbons. Cov khoom ntawm CPVC yog nyob ntawm tus nqi ntawm chlorination thiab hom additives siv. Nws yog li ntawd nrhiav tswv yim ntawm cov tuam txhab ua ntej txhim kho CPVC kom paub tseeb tias nws haum koj cov kev xav tau.
Qhov txawv ntawm CPVC thiab PVC
• Thaum PVC yog cov thermoplastic polymer siv dav tshaj plaws, CPVC yog qhov tshwm sim tsis ntev los no tsim los ntawm chlorination ntawm PVC
• PVC tseem nrov dua CPVC uas kim dua
• CPVC zoo dua nyob rau hauv qee yam xwm txheej xws li thauj cov kua kub thiab txias
• CPVC yog resistant rau corrosion thiab muaj ib tug smoother sab hauv nto dua PVC
• CPVC kuj muaj lub zog tensile siab dua thiab yog cov ductile ntau dua li PVC.
