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1. As an important inorganic raw material in the chemical industry, it is used in the production of magnesium carbonate, magnesium hydroxide, magnesium oxide and other magnesium products, as well as raw materials for antifreeze.
2. Used in the metallurgical industry for the production of metal magnesium (through melting electrolysis), ** and high purity magnesia, etc.
3. In the building materials industry, it is an important raw material for the production of light building materials such as glass fiber tiles, decorative boards, sanitary ware, ceilings, floor tiles, magnesia cement, ventilation ducts, anti-theft manhole covers, fireproof doors and Windows, fireproof boards, partition boards, and production of artificial marble and other high-rise building supplies. In magnesite products can be made of high-quality magnesium tile, high quality fire board, magnesium packaging box, magnesium decoration board, light wall board, abrasive, furnace, solid primer, etc.
4. In other fields, it can be used as food additives, protein coagulants, snow melting agents, refrigerants, dust control agents, refractories, etc. With brine (magnesium chloride solution) point system of tofu than gypsum point system of tofu, tender taste
5. Metallurgical industry: Adhesives for the manufacture of refractory materials and furnace arms, and raw materials for the manufacture of flux 2 and the smelting of magnesium metal.
6. Mechanical industry: In daily life, it can be used to make mechanical packing boxes, triangular upholstery and furniture, etc. It is a good material to "substitute soil for materials".
7. Transportation industry: Used as road ice-melting agent, fast ice-melting speed, less corrosive to vehicles, higher than sodium chloride effect.
8. Medicine: made of magnesium chloride "dry" can be used as medicine. Can be used as a laxative.
9. Agriculture: it can be used as magnesium fertilizer, potassium magnesium fertilizer and cotton defoliator.
Curing agent; 10. Nutritive fortifier; (Used in combination with magnesium sulfate, salt, calcium hydrogen phosphate, calcium sulfate, etc.); Japanese sake, etc., as a leaven; Dehydrating agent (for fish cake, 0.05% ~ 0.1%); Tissue improver (used in combination with polyphosphates as a elasticity enhancer for surimi products). Usually less than 0.1% is used because of the strong bitter taste.