Calcium can reduce the freezing point of water, paved road to prevent the spread of calcium chloride dihydrate icing and de-icing snow, but the snow melted salt will damage soil and vegetation along the road and pavement concrete deterioration. You understand anhydrous calcium chloride it? You know how to make from anhydrous calcium chloride is it? Source Weifang sea to answer your questions anhydrous calcium chloride dihydrate is made by the following steps from the processing: 1. Calcium chloride in water. Calcium chloride dihydrate need to be heated to a certain temperature. 2. Medicine calcium chloride. And then dehydrated. 3. After dehydration and drying it. Medicine calcium chloride, calcium chloride Kunming, Haixu chemical provided by Shouguang Haixu Chemical Co. Shouguang Haixu Chemical Co. (www.haixuchem.com) strong, credible, Shandong Weifang chemical products processing industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Haixu chemical into the brilliant and you work for a better future!