brown fused alumina grain


Brown fused aluminum oxide is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnance at a temperature of over 2200°c.

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  brown fused aluminum oxide character:

  Brown fused aluminum oxide is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnance at a temperature of over 2200°c.

  brown fused aluminum oxide format

  Chemical CompositionPhysical property

  ItemsValue of specification (%)ItemsProperty

  Al2O395.00minColorBrown

  SiO21.00maxBulk density1.53-1.99g/cm3

  TiO22.00maxTrue density3.95-4.0g/cm3

  Fe2O30.50maxHardnessMorse9

  Micro17640-21600kg/mm3

  CaO0.25maxContent of magnetic substance0.038%max

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