Fumaric Acid Food Grade 99.5% Fumaric Acid Industrial Grade 99% Food Grade Fumaric Acid is produced by the oxidation of benzene, ... drinks,baked goods 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%,mainly for the production ...