... polyester resin, alkyd resin, insulate paint, plasticicer, maleic acid, malaic acid and tartaric acid Specificationsmaleic acid anhydride ... flake or briquette, this product can be easily soluble in water, ethylalcohol etcApplicationManufacture of unsaturate polyester resin, ... alkyd resin, insulate paint, plasticicer, pesticides,fumaric acid,maleic acid, malaic acid and tartaric acid, succinic acid ...