Mainly used in melting snow for airport express and street, concrete desiccant and concreting fast, removing dust and oil indust Analysis ItemStandardCalcium chloride (CaCl2)74%min,77% min,94%minTotal Chlorinated Alkali: (NaCl)5.0%maxMagnesium Chloride(MgCl2)0.5%maxInsoluble matter in water0.25%maxCalcium Sulfate (CaSO4):0.2%maxFerric Oxide (Fe2O3)0.025%maxHeavy Metal as Cu., Pb., Cd., Cr., Hg., ...