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Brown Fused Alumina

Brown fused alumina is widely used in bonded and coated abrasives for the grinding of metals.

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Brown fused alumina is widely used in bonded and coated abrasives for the grinding of metals. Produced by fusing calcined bauxite in a reducing atmosphere, this help in removing residual sulphur & carbon and improves toughness, thus an ideal material for vitrified abrasives usage. Our range is available in standard grit and powder sizes to meet varied needs of clients.

 

Items Unit Index Typical
    % 95%min 95.50%
   
Chemical Al2 O3
   
Composition  
   
   
    % 1.50max 1.33%
   
  SiO2
    % 0.30max 0.18%
   
  Fe2O3
    % 3.50max 2.45%
   
  Ti2O
  CaO % 0.30% 0.11%
Melting point   2050
Refractoriness   1980
True Density g/cm3 3.90min
Mohs hardness ------ 9.00min
Grain size mm 0-50, 0-1, 1-3, 3-5, 5-8
Fine powder Mesh -100, -200, -325
Abrasive grade FEPA F12-F30 F150-F220

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