... and at the same time release lots of heat. It's water solution is slight acidity. soluble with alcohol, acetone and ... it acts as flecculation.Detailed Product DescriptionCalcium Chloride 74-77% 94% china original Calcium chloride Flake , powder, granule,pelleted 25kg or ... % MaxHeavy metals(Pb)0.0001% Max. 74%,77%,80%,90%,94%,calcium chloride