food grade tricalcium phosphate, 34.0%-40.0%, it is used in food industry as ... .64Molecular FormulaCa3(PO4)2.H2OAppearanceWhite floating, crystalline powderContent (As Ca), %34.0~40.034.0~40.0Heavy metal (As Pb), %<=0 ... so on. Plastics and china bulking agent. Food Grade Tricalcium Phosphate