... .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 ... %8) Iron (as Fe), max: 0.0020%9) Heavy Metals (as Pb) max: 0.0005%We can also supply Calcium Chloride flakes ...