PVC (polyvinyl chloride) yeeb nkab yog qhov ruaj khov thiab ntau yam ntawm cov yas yeeb dav siv hauv cov kav dej, dej, thiab cov tshuab tso kua dej. Paub txog nws tus nqi-ua tau zoo thiab yooj yim ntawm kev siv, pvc yeeb tau ua ib qho kev xaiv nrov, kev lag luam, thiab kev lag luam.
Pvc kav yog ib qho kev daws teeb meem zoo rau ntau qhov kev xav tau ntawm cov kav dej piping, muab kev sib npaug ntawm cov nyiaj pheej yig, kev ua tau zoo, thiab thiav.
Ifan pvc kav, kev tsim khoom ntau lawm tswj tau cov khoom lag luam zoo, cov khoom lag luam txaus, thiab xa khoom sai.
Hu rau yog hais tias
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