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Tanihi xiphemu xa nkoka xa formula xa switirhisiwa swa PVC leswi olovaka, plasticizer yina nkucetelo lowukulu eka matirhelo ya switirhisiwa swa PVC leswi olovaka. Loko switirhisiwa swo olova swa PVC (PVC cold storage door curtains) swilaveka kuva switirhisiwa eka mahiselo yale hansi, ti plasticizers letingana ku tiya kahle ka mahiselo tifanele ku hlawuriwa
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DOP na DOTP i ti plasticizers ta xikongomelo xo angarhela leti tirhisiwaka ku endla leswaku PVC yi olova, yi olova naswona yi olova ku yi lulamisa. Ku hambana lokukulu i xivumbeko xa ti molecule ta tona: DOP, hi ntolovelo yi kombetela eka DEHP, i orthophthalate, kasi DOTP, leyi nakambe yi vuriwaka DEHT, i terephthalate naswona hi ntolovelo yi hlawuriwa tani hi ndlela yin’wana leyi nga riki ya orthophthalate.