... : 3.07% 3) Total Magnesium (as MgCl2) Our main chemical, calcium chloride, is mainly used in snow and ice melting, dryer ... drilling, food additives, construction, manufacturing, tire weighting and mining industries. calcium chloride 77% min1.Size: 0.3-13mmSpecification:1) CaCl2: 77 ... .017%4) Other Impurities, max: 0.008%5) Calcium Hydroxide, max: 0.10%6) Calcium Carbonate, max: 0.008%7) Sulfate (as SO4 ...