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Corundum Bricks
Corundum bricks are aluminum-silicon refractory products with corundum as the main crystalline phase, and corundum bricks are divided into three types: fused corundum bricks, fused corundum re-sintered bricks, and sintered corundum bricks.
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Chromium corundum brick has good high temperature resistance and slag corrosion resistance, excellent molten cinder erosion resistance, and its slag corrosion resistance is enhanced with the increase of Cr2O3 content.
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Sintered AZS brick is a refractory material that is mainly composed of alumina (Al2O3), zirconia (ZrO2), and silicon dioxide (SiO2).
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Corundum mullite brick is a kind of high-alumina refractory product, which is mainly composed of corundum (Al2O3) and mullite (3Al2O3·2SiO2) main crystal phase. Bricks are divided into four grades: GMZ-75, GMZ-80, GMZ-85 and GMZ-88 according to the content of Al2O3.
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Zirconia hollow ball brick is a shaped refractory product made of zirconia hollow ball and zirconia powder as the main raw materials, fired at high temperature after moulding, and the main crystal phase is cubic phase (c-ZrO2).
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Alumina hollow ball brick is made of alumina hollow ball and α-Al2O3 powder as the main raw materials, which are fired at high temperature after moulding and drying, with an Al2O3 content of more than 90% and a main crystal phase of α-Al2O3 (corundum).
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High-chromium bricks are made of chromium oxide and alumina as the main raw materials, or a small amount of zirconia is introduced, and fired at high temperature.
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Zircon bricks are refractory products with zircon (ZrO2.SiO2) as the main component.
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