... 3,street,concrete desiccant and concreting fast 4,removing dust Calcium Chloride.1.Calcium chloride CAS:10043-52-4 2.flake,granule,pellet,powder3 ... ,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., As0.005%maxPH VALUE 8 ...