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  • Brown alumina

    Brown corundum is made of high-quality abrasive-grade alumina as a raw material, supplemented with auxiliary materials, and then refined in an electric arc furnace at a high temperature of 2250 ° C or higher. After this, secondary refining is performed by a high-strength magnetic separator to remove impurities, and the fire resistance is above 1850 ° C.
    The RS brown corundum produced by our company has the characteristics of high purity, good crystallization, strong fluidity, low linear expansion coefficient, and corrosion resistance. This product has the characteristics of no explosion, no chalking, no cracking in the application process, and is often used in abrasives and refractory raw materials industries.

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  • White corundum

    White corundum is made of high-quality aluminum oxide powder, which is crystallized by electromelting. It has high purity, good self-sharpness, resistance to acid and alkali corrosion, high temperature resistance, and stable thermal properties. Its hardness is slightly higher than that of brown alumina, and its toughness is slightly lower. , High purity, good self-sharpness, strong grinding ability, small heat generation, high efficiency, acid and alkali corrosion resistance, high temperature and thermal stability. It is used to make abrasive tools, suitable for grinding high-carbon copper and high-speed steel.

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