Light magnesium oxide volume fluffy, is white amorphous powder. Odorless, tasteless and non-toxic. The density is 3.58g/cm3. Poorly soluble in water and organic solvents, and soluble in acid, ammonium salt solution. By high temperature calcination it can be converted into the crystals. It will generate magnesium carbonate salt with carbon dioxide in air. Heavy magnesium oxide volume closely, is white or beige powder. It is easily to absorb moisture and carbon dioxide in the air.
Light magnesium oxide mainly used as the raw materials of ceramic, enamel, refractory crucible and refractory production. Also used as paper fillers, polishing paste and adhesive of neoprene and fluorine rubber. In medicine, it is used as antacids and aperient for curing gastric acidity and gastroduodenal ulcer diseases. In chemical industry, it is used as raw materials of catalyst and magnesium salt, also can be used in the production of glass, dyed pulp and bakelite.
Heavy magnesium oxide is used as ferrite soft magnetic materials and other material in magnetic material industry, used as polish in steel ball polishing industry.
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