I-1.I-anhydride ye-Phthalic yenye yezona zinto zibalulekileyo ze-organic organic materials raw, ii-derivatives zayo eziphambili ziyi-dibutyl phthalate, i-dioctyl ester kunye ne-diisobutyl ester, kwaye ingasetyenziselwa njenge-plasticizer ye-PVC, njl.
I-2.Ingasetyenziselwa ukuveliswa kwe-polyester resin engaxutywanga, i-alkyd resin, idayi kunye ne-pigments, iindidi zepeyinti, izongezo zokutya, njl.