... 2) Purity:99.5%min 3)Flakes and briquettes of crystal 4)Maleic anhydride Maleic anhydride 99.5% min. 1) Appearance: briquettes2 ... pallet, 20MT/20'fclUsage: Manufacture of unsaturate polyester resin, alkyd resin, insulate paint, plasticicer, maleic acid, malaic acid and tartaric ... , also serve as the raw materials of medicine, paint, glass steel and so on. Maleic Anhydride99% min (HS code: 29171400) ...