Aluminium oxide

Introduction Aluminium oxide (aluminium oxide) generally refers to alumina, is an inorganic substance, the chemical formula Al2O3, is a high hardness compound, melting point of 2054 °C, boiling point of 2980 °C, ionic crystals that can be ionized at high temperatures, often used in the manufacture of refractory materials. The physical and chemical properties are insoluble in water, the white solid chemicalbook body is odorless, tasteless, extremely hard, easy to absorb moisture without deliquescent (burned without moisture absorption). Alumina is a typical amphoteric oxide (corundum is α-shaped, belongs to the hexagonal densest accumulation, is an inert compound, slightly soluble in acid and alkali corrosion resistance), soluble in inorganic acids and alkaline solutions, almost insoluble in water and non-polar organic solvents.