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2025-02-19 09:18:04
The structure of high alumina concentration bricks. The basic composition of high alumina bricks is high alumina bricks, also known as high alumina refractory bricks. They are formed and calcined from high alumina bauxite or other raw materials with high alumina content. Fixed refractory material. Its main component is alumina (Al2O3), and the content is usually above 48%. The specific content can vary according to different grades. The mineral composition of high-aluminum bricks mainly includes corundum (α-Al2O3), mullite and glass phase. The content of these components depends on the Al2O3/SiO2 ratio and the type and quantity of impurities. Classification of high alumina bricks High alumina bricks can be divided into multiple grades and types according to the content of alumina and raw materials, such as third-grade high alumina bricks, second-grade high alumina bricks, first-grade high alumina bricks, extra-grade high alumina bricks, Corundum bricks, etc. For example, the alumina content of secondary hig
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