Ib qho tsis tsim nyog lossis eroding tsev cog khoom thav duab feem ntau yog qhov tsis txaus ntseeg ua txhaum hauv kev poob ntxov ntxov ntawm lub tsev cog khoom npog. Muaj ntau yam teeb meem uas tuaj yeem tshwm sim los ntawm hom tsev cog khoom thav duab koj siv. Ntoo thav duab, piv txwv li, tuaj yeem ua rau puas tsuaj rau cov ntawv yas, thaum tseem muaj cov kab tsuag tsis xav tau. Hlau thiab txhuas thav duab nqus cua sov los ntawm lub hnub thiab tuaj yeem tso cov ntaub ntawv yas ntawm cov ntsiab lus kov.
Tsis tas li ntawd, PVC los yog polyvinyl chloride, muaj txiaj ntsig zoo, lub teeb yuag, hloov tau yooj yim, thiab pheej yig, yog li nws kuj yog qhov kev xaiv nrov rau tsev cog khoom. Txawm li cas los xij, thaum polyethylene nrog hydrocarbon derivatives tuaj rau hauv kev sib cuag nrog PVC, PVC ua zoo li hnyav. Sij hawm dhau mus, thaum raug kub thiab UV hluav taws xob, PVC tuaj yeem ua rau cov tshuaj tiv thaiv thiab tso cov tshuaj hydrogen chloride acid, uas ua rau cov polyethylene los yog lub tsev xog paj puas ntsoog kov PVC.
Kev pleev xim rau PVC dawb nrog cov xim acrylic los yog siv cov ntaub nplaum dawb rau cov qauv tsev cog khoom tuaj yeem txo kev puas tsuaj los ntawm kev tiv thaiv kev tsiv teb tsaws ntawm cov tshuaj los ntawm PVC kav mus rau lub tsev xog paj. Siv cov ntaub nplaum dawb yog ib qho kev daws teeb meem zoo, thiab tseem yuav:
Tiv thaiv tsev cog khoom npog puas thaum lub sij hawm installation.
Tiv thaiv hlau los yog galvanized hlau los ntawm overheating thiab melting lub tsev cog khoom cover.
Txo cov kev sib txhuam ntawm cov npoo ntxhib thiab cov splinters.
Cia kom yooj yim txav ntawm poly.
Tiv thaiv koj cov peev txheej.