Uses:- Melting snow and ice - Oil drilling dehydration agent, drilling fluid, finishing fluid, oil and chemical; - Keeping coal dust and minerals; - Pre-setting agent for concrete and coating coagulant for construction - Maintain humidity in the manufacture industry (dessicant); - making emulsion coagulant in the rubber industry. - Chlorinating agents and additives in the ferrous metallurgical industry; - Additives in the paper-making and ink-removing industries; - As non-organic chemical raw material, sodium alginate coagulant; - As refrigerant; - Used in the dye industry.