Fumaric Acid Food Grade 99.5% Fumaric Acid Industrial Grade 99% Food Grade Fumaric Acid is produced by the oxidation of benzene,the color can reach to 15,content is 99.5%,and it is white ... and food processing additives.Industrial Grade Fumaric Acid is mainly used for industrial unsaturanted resins,organic synthesis,pharmaceutical,oil,preservatives industry.Feed Grade Fumaric Acid,content of 99.5 ...