1.Phthalic anhydride o se tasi lea o mea e sili ona taua o vailaʻau faʻamaʻi, o ona mea autu o le dibutyl phthalate, dioctyl ester ma le diisobutyl ester, ma e mafai ona faʻaaogaina e fai ma plasticizer mo PVC, ma isi.
2. E mafai foi ona faʻaaogaina i le gaosiga o le polyester resin unsaturated, resin alkyd, vali ma pigments, vali eseese, meaʻai faaopoopo, ma isi.