Properties: white powder easily, odorless, exposed to the air, ready to absorb moisture and carbon dioxide, soluble in acid and ammonium salt, insoluble in water and ethanol, melting point 2800 ℃, boiling point 3600 ℃, magnesium oxide (calcined powder) highly fire-resistant insulation. (High melting point)
Uses: for rubber, plastic, wire, cable dyes, paints, glass, ceramics, chemicals, pharmaceuticals, food additives.
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