AIMSTA-6891

  • AIMSTA-6891

    AIMSTA-6891

    Rau xyoo lawm, PVC pob tshab cov khoom tau muab faib ua kom nruj thiab yoog raws, uas tau siv rau hauv kev siv sib txawv. Raws li kev sib tham tam sim no txog kev tiv thaiv ib puag ncig thiab kev tiv thaiv ib puag ncig, cov lag luam yav tom ntej yuav ntsib cov kev cov nyom. Tin-muaj cov khoom, hloov rau cov kev daws teeb meem tsis pub dawb yuav ua rau muaj kev sib cav tseem ceeb. Hauv qhov no, nws yog qhov yuav tsum tau them sai sai rau cov kev cai sib txawv, xws li cov chaw muag tshuaj, kev pom zoo hu rau zaub mov, cov cai tswj huab cua sab hauv tsev lossis cov qauv khoom ua si. Yav dhau los, tin, txhuas thiab barium yog qhov tseem ceeb hauv ntau cov ntawv thov, tab sis nrog European Union tsuas yog siv cov calcium calcium thiab barium zinc, lwm thaj chaw hauv ntiaj teb tau maj mam ua raws cov kev txhim kho no thiab tab tom xaiv cov kev daws teeb meem no.