PVC gaskets, tseem hu ua polyvinyl chloride gaskets, muaj qee qhov kev tiv thaiv rau acid thiab alkali corrosion. Hauv qab no yog cov ncauj lus kom ntxaws tsom xam ntawm lawv cov kua qaub thiab alkali corrosion kuj:
Acid Resistance
PVC gaskets muaj qhov ua tau zoo rau qee cov inorganic acids, xws li hydrochloric acid thiab sulfuric acid, nyob rau hauv qis mus rau nruab nrab concentrations. Nyob rau hauv chav tsev kub, tsis tshua muaj siab ntawm hydrochloric acid thiab sulfuric acid daws muaj tsawg corrosive nyhuv ntawm PVC gaskets, cia cov khoom siv PVC kom muaj kev ruaj ntseg zoo thiab kev ncaj ncees. Qhov no yog vim hais tias cov chlorine atoms nyob rau hauv PVC molecular saw muaj ib tug tej yam℃ntawm polarity, muab PVC ib tug tej yam kuj rau acidic tshuaj thiab tiv thaiv acid nkag mus thiab yaig rau ib lub sij hawm. Txawm li cas los xij, thaum lub acid concentration siab los yog kub nce, acid kuj ntawm PVC yuav txo. Cov ntsiab lus siab ntawm cov kua qaub muaj zog yuav ua rau kom lub zog ntawm PVC molecular saw, ua rau cov khoom ua haujlwm tsis zoo, xws li tawg, brittleness, thiab txo lub zog.
Alkali Resistance
PVC gaskets kuj tsis muaj zog tiv thaiv alkalis. Cov tshuaj alkaline muaj zog xws li sodium hydroxide thiab potassium hydroxide yuav hnov mob nrog PVC, tshwj xeeb tshaj yog nyob rau hauv kub los yog siab concentration alkaline tej yam kev mob, qhov twg cov tshuaj tiv thaiv yog ntau pronounced. Cov tshuaj alkaline tawm tsam qee cov tshuaj tiv thaiv hauv PVC molecular saw, ua rau cov saw tawg thiab degradation, yog li degrading cov khoom ntawm PVC. Yog li ntawd, kev tiv thaiv corrosion ntawm PVC ncoo tuaj yeem cuam tshuam rau hauv qhov chaw muaj zog alkaline.
Ntsev Resistance
Feem ntau, PVC pads pom zoo corrosion kuj rau cov ntsev tov. Piv txwv li, sodium chloride thiab calcium chloride cov kev daws teeb meem muaj kev cuam tshuam tsawg heev rau PVC ntawm chav tsev kub. PVC cov ntaub ntawv khaws cov khoom zoo ntawm lub cev thiab tshuaj lom neeg thaum muaj kev sib cuag nrog cov ntsev ntsev, tsis muaj kev cuam tshuam loj lossis kev puas tsuaj. Qhov no tso cai rau cov ntaub qhwv PVC siv rau hauv qee thaj chaw uas muaj cov tshuaj ntsev tuav, xws li dej hiav txwv desalination thiab kev thauj mus los ntawm brine.
Comprehensive Performance
Ntxiv rau cov kua qaub thiab alkali corrosion kuj, PVC pads kuj muaj lwm yam zoo heev, xws li hnav tsis kam, tshuaj corrosion kuj, nplaim hluav taws kub, thiab zoo hluav taws xob thiab thermal rwb thaiv tsev. Cov khoom no ua rau cov ntaub qhwv PVC siv dav hauv ntau qhov chaw.