Pure calcium agent snow thawing agent:(CaCl2.2H2O) a:use: mainly used in airfield, expressway, min, freezing resistance and electronic industry. b:features: white grain or slice, moisture absorption. c:specifications: 74% slice and 72%-74%(1-5mm) grain. d:quality index: (1) calcium chloride slice calcium chloride content:≥74% sodium chloride:≤4.5%. magnesium chloride:≤0.5%. water insolubility:≤0.2%. PH value　8-10 (2) calcium chloride grain(1-5mm): calcium chloride content:72%-74% sodium chloride:≤3%. magnesium chloride:≤0.5%. water insolubility:≤0.2%. PH value:8-10 Main products: Calcium Chloride / Magnesium Chloride /Calcium Bromide / Snow Melt Agent /Sodium Carbonate/Crude Salt and so on.