calcium chloride is used for oil and gas drilling agent, road deicing agents, dust control, accelerators in concrete, industrial processing , as additives in plastics, for calcium salt production, drainage aids for wastewater treatment, refrigeration brine, food processing agent or coagulating agent and additive for foods, as a hygroscopic compound, calcium chloride is an excellent desiccant for removing dissolved water in liquids and is suitable for use in food packaging to increase dryness and prevent spoiling.