1.Phthalic anhydride imwe yezvakanyanya kukosha organic chemical raw materials, ayo makuru anobva kune dibutyl phthalate, dioctyl ester uye diisobutyl ester, uye inogona kushandiswa se plasticizer yePVC, nezvimwewo.
2.Inogonawo kushandiswa mukugadzirwa kweunsaturated polyester resin, alkyd resin, dhayi uye pigments, zvakasiyana-siyana zvepende, zvokudya zvinowedzera, nezvimwewo.