Cov txiaj ntsig zoo li cas PVC muaj nyob rau hauv cov ntsiab lus ntawm cov tshuaj tiv thaiv?
Dec 22, 2023
Yuav ua li cas cov qauv molecular ntawm PVC ua rau nws cov tshuaj tiv thaiv tseem ceeb piv rau lwm cov ntaub ntawv?
Koj puas tuaj yeem muab cov piv txwv tshwj xeeb ntawm cov tshuaj uas PVC tiv taus, thiab qhov kev tiv thaiv no ua rau nws haum rau ntau yam kev siv?
Hauv kev lag luam lossis kev siv dab tsi yog cov tshuaj tiv thaiv ntawm PVC tshwj xeeb yog qhov zoo, thiab puas muaj kev txwv lossis kev txiav txim siab kom paub txog?
