... .07% 3) Total Magnesium (as MgCl2) Our main chemical, calcium chloride, is mainly used in snow and ice melting, dryer, antifreeze ... , food additives, construction, manufacturing, tire weighting and mining industries. calcium chloride 77% min1.Size: 0.3-13mmSpecification:1) CaCl2: 77-80 ... : 0.008%5) Calcium Hydroxide, max: 0.10%6) Calcium Carbonate, max: 0.008%7) Sulfate (as SO4), max: 0.07 ...