What are the differences between alumina hollow ball bricks and white fused alumina bricks?

Publish Time:

2023-07-11

　　Both hollow alumina balls and white corundum bricks are high-performance refractory materials, but they have different characteristics and applications.

　　Different material compositions: Hollow alumina ball bricks are mainly composed of alumina and are lightweight refractory bricks, while white corundum bricks are also made of alumina but are heavy-duty. Therefore, white corundum bricks have better hardness and wear resistance.

　　Different densities: The density of hollow alumina ball bricks is around 1.3, with lighter weight and higher porosity. White corundum bricks are made through pressing, sintering, etc., and have higher density and hardness.

　　Different applications: Due to their good thermal insulation properties, hollow alumina ball bricks are suitable for insulation layers of high-temperature equipment and linings of industrial furnaces. White corundum bricks, on the other hand, have better wear resistance and corrosion resistance, making them suitable for linings and protective layers of industrial equipment and pipelines under harsh conditions such as high temperature, high pressure, and high corrosion in industries like metallurgy and chemical engineering.

None

What refractory materials are used in thermal power plants?