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Puas yog PVC muaj zog dua li PS ? Puas yog PS meej dua li PVC ? Ob daim ntawv yas no zoo sib xws, tab sis lawv ua haujlwm sib txawv heev. PVC tawv dua. PS sib dua. Hauv tsab ntawv no, koj yuav kawm paub yuav ua li cas piv rau lawv rau kev ntim khoom, kev tsim kho, thiab ntau ntxiv. Yas PVC yog dab tsi? PVC sawv cev rau polyvinyl chloride.
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Puas tau xav paub tias vim li cas cov ntawv PVC thiaj li tshwm sim hauv ntau yam lag luam? Txij li kev tsim kho mus rau kev kho mob, lawv qhov kev ua tau zoo tsis muaj qhov sib piv. PVC tau hloov zuj zus txij li thaum nws tsim tawm thaum ntxov xyoo pua 20th mus rau hauv cov khoom siv ruaj khov thiab pheej yig. Hauv tsab ntawv no, koj yuav kawm txog nws cov txiaj ntsig, kev txwv, thiab kev siv dav dav.
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Muaj ntau hom yas siv tau hauv kev lag luam ntim khoom. Thaum koj xav tau ntim koj cov khoom, koj yuav pom ob hom yas siv ntau: PET thiab PVC yas. Ntawm Huisuqinye Plastics Group, cov neeg siv khoom feem ntau nug peb tias cov yas twg tau ua pov thawj tias yog