1,Maleic Anhydride 99.5%MIN 2,60,000mt/year 3,Appearance: Flake/Briquette 4,packing: 25kg/bag, ... : Flake and Briquette4,Application: It used in production of unsaturated polyester resin. It also is used in coating, pharmaceutics, agricultural, surfactant, additive ... competitive edge, Baotie expanded the production of maleic anhydride to 60,000 tonne/y. maleic anhydride briquettes 99.5%