- Time:Jul 24, 2023
Magnesia-alumina brick is a common refractory material composed of magnesia and alumina. The melting point of magnesia-alumina bricks refers to the temperature at which magnesia-alumina bricks begin to melt under high temperature conditions.
The melting point of magnesia alumina brick depends on its chemical composition and proportion. Generally speaking, the melting point of magnesia alumina bricks ranges from about 1600°C to 1800°C. This relatively high temperature range enables magnesia-alumina bricks to exhibit good stability and refractory properties in many high-temperature applications.
Compared with pure magnesia or alumina, magnesia alumina brick has better high temperature performance. It not only has a high melting point, but also has a low coefficient of expansion and excellent thermal shock resistance. These characteristics enable magnesia-alumina bricks to maintain structural stability in high-temperature environments and resist stress and thermal shock damage caused by thermal expansion.
Magnesia-alumina bricks are widely used in various high-temperature equipment and industrial fields because of their excellent high-temperature performance. It is often used as a refractory structure and lining material for glass kilns, iron and steel smelting furnaces, aluminum electrolytic cells, and cement kilns. By using magnesia-alumina bricks, the long-term stable operation of the equipment under extreme high temperature conditions can be ensured.
It should be noted that magnesia-alumina bricks produced by different manufacturers may have slightly different chemical composition and performance characteristics, which may lead to differences in melting points. Therefore, in practical applications, it is recommended to refer to the technical specification sheet of the specific product or contact the supplier to obtain accurate melting point data.