Maleic Resin is a type of light yellow and transparent flake that is made of refined gum rosin and maleic anhydride, and is esterified by pentaerythritol. Soluble well in coal tar, ester, plant oil, turpentine, insoluble in alcohol, very easy to be further processed. Maleic Resin has features of light color, color retention, has well solubility with nitrocotton, can improve the hardness and gloss of paint surface, not only that, it has excellent performance at water-resistance. For fast-dry enamel paint manufacturing, it can save consumption of tung oil.