- Time:May 29, 2023
Alumina bricks are refractory bricks made from high-purity alumina and other raw materials. They have a high aluminum oxide content of over 70%, making them highly resistant to thermal shock, abrasion, and corrosion and suitable for use in high-temperature applications.
The main properties of alumina bricks include:
1.High temperature resistance
Alumina bricks can withstand temperatures of up to 1800°C, making them ideal for use in furnaces, kilns, and incinerators.
2.Good thermal shock resistance
Alumina bricks have excellent thermal stability and can resist rapid temperature changes without cracking or spalling.
3.High mechanical strength
Alumina bricks have high compressive strength, which makes them suitable for use in high-stress applications.
4.Excellent chemical stability
Alumina bricks are highly resistant to acids, bases, and other corrosive chemicals, making them suitable for use in various chemical processes.
5.Low porosity
Alumina bricks have low porosity, which provides good insulation and helps to reduce heat loss.
6.Abrasion resistance
Alumina bricks have good wear resistance, making them suitable for use in applications where the brick is exposed to abrasive materials.
7.Good electrical insulation
Alumina bricks are good electrical insulators, making them useful in applications where electrical insulation is required.
In summary, alumina bricks have excellent high-temperature performance, thermal shock resistance, mechanical strength, chemical stability, low porosity, wear resistance, and electrical insulation. As a result, they are widely used in industries such as steelmaking, ceramics, petrochemicals, cement, and glass manufacturing.
