Alumina has high mechanical strength, high hardness, wear resistance, corrosion resistance and high temperature, and other properties, it can be widely used in metallurgical, mining, petrochemical, textile, paper, power and other industries. In addition, as structural ceramics, the use of the insulation resistance, resistance voltage high strength, good thermal conductivity, dielectric loss of small, stable electrical performance characteristics such as ceramic substrates in the electronic, electrical insulating ceramics, vacuum devices, the installation of porcelain, spark plugs and other products on the market has broad prospects for application .
