Calcium chioride is an inoganic matter, there are two shapes:solid and liquid.Solid calcium chloride is white crystal,tablet,granular and powder.Solid calcium chloride is divided into dehydrate and anhydrous for the content of crystal water.

     Calcium choride is widely used in melting ice and snow preventing dust on road ,drilling petroleum, absorbing moist because of its physical charater of solubility ,hot melt-down ,strong hygroscopicity,and difficult to freeze under the common temperature.