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 (food additive) . Calcium chloride anhydrous is used as desiccant, refrigerants, building antifreeze, road dust collection agent and antifogging agent, fireproofing agent, food preservatives and the manufacture of calcium salt; Calcium chloride is used as coolant and food processing, pharmaceutical, etc; Calcium Chloride: Testing Item Indicator1 Indicator 2 Indicator 3 Indicator 4 Calcium Chloride(CaCl2)% 68.0-70.0 74.0-77.0 90.0-95.0 HG/T2327-92 Total Magnesium (as MgCl2) and chloride of alkali metals(as NaCl),%≤ 1.8 2.0 2.5 HG/T2327-92 Alkalinity (as Ca(OH)2),% ≤ 0.18 0.18 0.18 HG/T2327-92 Water insoluble matter,%≤ 0.06 0.05 0.05 HG/T2327-92 Sulphates(CaSO4) ≤% 0.1 0.1 0.1 HG/T2327-92 PH value 8-10 8-10 8-10 HG/T2327-92