1.Phthalic anhydride waa mid ka mid ah alaabta ceeriin ee kiimikaad ah ee ugu muhiimsan, asalkeeda ugu muhiimsan waa dibutyl phthalate, dioctyl ester iyo diisobutyl ester, waxaana loo isticmaali karaa caagadiyaha PVC, iwm.
2.Waxa kale oo loo isticmaali karaa in wax soo saarka ee xabagta polyester unsaturated, resin alkyd, dheeha iyo pigments, noocyo kala duwan oo rinji, lagu daro cuntada, iwm.