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    Brown Aluminium Oxide (AR-95)

    It is fused in an electric-arc furnace by high temperature. Its main raw materials are bauxite anthracite. The micro hardness is 1800-2200kg/mm2.The toughness is higher than silicon carbide. The degree of refractory is more than 1850℃。

    1. Detailed information

    Brown Aluminium Oxide


    Type: AR-95

    Brown Aluminium Oxide 95%

    It is fused in an electric-arc furnace by high temperature. Its main raw materials are bauxite anthracite. The micro hardness is 1800-2200kg/mm2. The toughness is higher than silicon carbide. The degree of refractory is more than 1850℃
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    Physical Properties

    ColorTrue DensityMohs HardnessPrimary Crystalline PhaseCrystal Systel
    Brown3.90 g/cm39.0Alfa-AL2O3Hexagonal

    Typical Specification(1-3mm)

    ChemicalAl2O3Fe2O3TiO2SiO2
    95.63%0.09%2.68%1.00%
    Size+3mm-1mm
    2.5%3.7%
    Magnetic Material0.0047%
    Specific Density3.94g/cm3

    Grain Size Available (F)

    25-0mm20-10mm30-10mm0-1/1-3/3-5/5-8mm-8/+16mesh
    -16/+30mesh-30/+60mesh-100mesh-200mesh-325mesh


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