Calcium chloride We can supplyCalcium chloride dihydrate 74% and 77% flake , anhydrous 94% global, industry and food grade 1.Calcium chloride anhydrous 94% global form CaCl2:94% min Nacl: 3.5%max SO42-: 0.2% max Ca(OH)2: 0.2% max Insoluble matter in water: 0.2% max 2. Calcium chloride dihydrate 74% / 77% flakes CaCl2.2H2O:74% / 77%min Nacl: 5.0 %max SO42-: 0.2% max Ca(OH)2: 0.35%max