It can be used to make building materials such as bricks, tiles, and ceramics, and can improve the hardness and wear resistance of these materials. In building materials such as cement and mortar, due to its high fire resistance and chemical stability, it can be used as a binder for mortar, and used to construct walls, insulation materials, tunnels and other construction projects that require high fire resistance. In addition, among new building materials, it can also be used to produce high-strength cement and concrete to enhance the strength and durability of building materials. Bauxite fine powder has good high temperature resistance and can be used as a furnace lining material for the lining and furnace construction of various high-temperature furnaces in the smelting industry. It can also be used to manufacture aluminum electrolytic cells and steel smelting furnace linings to prevent metal materials from contacting high-temperature molten materials and causing corrosion. In the steel industry, it can be used as a masonry material inside the steel furnace to improve the safety and efficiency of steel production.