Magnesium chloride is a kind of chloride.Colorless and easy deliquescence crystals. The salt is a typical ionic halide, soluble in water. Hydrated magnesium chloride can be extracted from sea water or salt water, usually with 6 molecules of crystal water. It lose crystal water when heated to 95 ℃ and starts to break down and release the hydrogen chloride (HCl) gas when above 135 ℃. It's the raw material of industrial production of magnesium, found in sea water and bittern. Hydrated magnesium chloride is a prescription of oral magnesium supplementation commonly used material.

1 Metallurgical industry: adhesives used in the manufacture of refractories and stove arm and manufacturing II flux and smelting magnesium metal materials.

2 Chemical industries: mainly used for the production of magnesium salts, such as magnesium oxide, magnesium hydroxide, magnesium carbonate, firecrackers solid lead, disinfectants, chilled brine, and used to fill the fabric, paper, raw material is used as antifreeze.

3 Building materials: magnesium chloride and magnesium oxide(magnesia MgO) made of hard corrosion-resistant magnesia cement.  

 4 Transport sector: for road deicing salt and ice, and ice fast, small vehicles corrosive effects and antifreeze higher than sodium chloride.

5 Agriculture: used as the magnesium fertilizer, potassium and magnesium fertilizer and cotton defoliant.

6 Fire: fire retardant material used in the production. Timber with brine, soaking the plate (heat, pressure), the timber can be significantly improved flame resistance. And reduce wood smoke. Also as a main filler of producing fireproof material.

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