2024-04-08 14:01:03
Corundum bricks and high alumina bricks are common refractory materials, but they have certain differences in composition, structure, and application.
1. The difference in composition between corundum bricks and high alumina bricks
high alumina bricks are mainly composed of alumina, with a small amount of other oxides added; And corundum bricks are made from a large amount of raw materials such as alumina and silica. Therefore, corundum bricks have a higher alumina content, while high alumina bricks have a relatively lower alumina content.
2. The difference in structure between corundum bricks and high alumina bricks the sintered crystal structure of high alumina bricks is mainly composed of corundum, and sometimes also contains a small amount of whisker like alumina; The crystal structure of corundum bricks is composed of α- Composed of Al2O3 and some precious alumina. Therefore, structurally speaking, corundum bricks are denser and harder than high alumina bricks.
3. The difference in application between corundum bricks and high alumina bricks due to their different compositions and structures, there are also differences in the application of corundum bricks and high alumina bricks. Generally speaking, corundum bricks have higher wear resistance and corrosion resistance, and perform better in harsh environments such as high temperature, high pressure, strong acid, and strong alkali. Therefore, they are commonly used in industrial fields such as glass, steel, and non-metallic materials; high alumina bricks are mainly used in metallurgy, refractory and other industries, and their excellent high-temperature resistance makes them widely used in various high-temperature kilns.
It should be noted that although corundum bricks and high alumina bricks have different compositions and applications, their physical and chemical properties are excellent. Before use, suitable materials should be selected according to the actual situation and used and maintained according to relevant regulations and standards.
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