Calcium chloride can be divided into the shape: flake,powder, globular etc. V From content is divided into: 74-77%,88-90%, 90-94% etc calcium chloride and calcium chloride anhydrous,From purposes are divided: industrial and food-grade (foodadditive) . Calcium chloride anhydrous is used as desiccant,refrigerants, building antifreeze, road dust collection agent andantifogging agent, fireproofing agent, food preservatives and themanufacture of calcium salt; Calcium chloride is used as coolantand food processing, pharmaceutical, etc; Calcium Chloride: TestingItem Indicator1 Indicator 2 Indicator 3 Indicator 4 CalciumChloride(CaCl2)% 68.0-70.0 74.0-77.0 90.0-95.0 HG/T2327-92 TotalMagnesium (as MgCl2) and chloride of alkali metals(as NaCl),%≤ 1.82.0 2.5 HG/T2327-92 Alkalinity (as Ca(OH)2),% ≤ 0.18 0.18 0.18HG/T2327-92 Water insoluble matter,%≤ 0.06 0.05 0.05 HG/T2327-92Sulphates(CaSO4) ≤% 0.1 0.1 0.1 HG/T2327-92 PH value 8-10 8-10 8-10HG/T2327-92