The main raw materials used for firing microporous aluminum carbon bricks are high-grade bauxite clinker, fused corundum, high-quality graphite, various micro powder raw materials as additives, resin as a binder, high-pressure molding, and high-temperature firing in a reducing atmosphere. The fired microporous aluminum carbon bricks are used for lining large and medium-sized blast furnaces
The sintered microporous aluminum carbon brick has a small pore diameter, with an average pore diameter of ≤ 0.5um, and a low porosity. After being fired at high temperatures in a reducing atmosphere, the product has better performance, better oxidation resistance and corrosion resistance to molten iron than pure carbon brick, and better thermal conductivity and thermal stress resistance than microporous corundum brick. After use comparison, its use effect is superior to other quality refractory products.
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