... used in melting snow for airport express and street, concrete desiccant and concreting fast, removing dust and oil indust Analysis ItemStandardCalcium chloride ... %minTotal Chlorinated Alkali: (NaCl)5.0%maxMagnesium Chloride(MgCl2)0.5%maxInsoluble matter in water0.25%maxCalcium Sulfate (CaSO4):0.2%maxFerric ... ., Cd., Cr., Hg., As0.005%maxPH VALUE 8-10 Calcium Chloride