ASCENT SUN HOLDINGS LIMITED

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    Brown Aluminium Oxide (A-20B)

    • TypeA-20B

    We produce this kind of Brown Aluminium Oxide grain normally used in blasting or polishing applications, such as removal of oil, grease, dirt, loose mill scale, lacquer kicking off, cloth grinding, glass blasting and other applications. Usually we call it blasting grade BFA sand.

    1. Detailed information

    Brown Aluminium Oxide


    Type: A-20B

    We produce this kind of Brown Aluminium Oxide grain normally used in blasting or polishing applications, such as removal of oil, grease, dirt, loose mill scale, lacquer kicking off, cloth grinding, glass blasting and other applications. Usually we call it blasting grade BFA sand.

    Process way: Second grade

     

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     Typical Chemical Analysis

    Al2O3Fe2O3TiO2SiO2

    92.13%

    2.38%2.98%2.10%

    Physical Properties

    ColorDark brown
    ShapeBlocky, tough and sharp
    Crystal FormAlpha-alumina trigonal system
    True Specific Gravity3.96 g/cm3
    Hardness2090 Knoop scale; 9.0 Mohs scale
    Melting Temperature 

    About 2050 ℃

    Grain Size Distribution

    Loose grains.

    Grit Sizes (F)

    81214162022243036404654
    60708090100120150180220240280320

    Bulk Density Test Value (g/cm3)

    Grit NoF12F14F16F20F24F30F36F40F46
    B.D1.79-1.871.76-1.841.74-1.821.72-1.801.70-1.781.68-1.761.66-1.741.63-1.711.61-1.69
    Grit NoF54F60F70F80F100F120F150F180F220
    B.D1.59-1.671.57-1.651.54-1.621.51-1.591.48-1.561.45-1.531.43-1.521.41-1.491.40-1.48


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