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    Brown Aluminum Oxide (AE-17H)

    It is one kind of Brown Aluminium Oxide grains with blocky grain shape and high bulk density. To get this kind of product, we calcine the regular grains at a high temperature to give a blue colour, the purpose is to renovate the crack on the surface and interior of crystal and then to improve the toughness and durability of the grains.

    1. Detailed information

    Brown Aluminum Oxide


    Type: AE-17H

    It is one kind of Brown Aluminium Oxide grains with blocky grain shape and high bulk density. To get this kind of product, we calcine the regular grains at a high temperature to give a blue colour, the purpose is to renovate the crack on the surface and interior of crystal and then to improve the 18.jpgtoughness and durability of the grains. 

    As an abrasive, the AE-17H is mainly used in making vitrified and organic bonded grinding wheels for working in heat sensitive metals and alloys.


    Process way: High temperature treated;Barmac process

    Typical Chemical Analysis

    Al2O3Fe2O3TiO2SiO2CaO
    95.84%0.06%2.40%0.93%0.23%

     Physical Properties

    ColorBlue
    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 ℃

    Magnetic Material0.0076%
    Toughness63.17
    Hydrophilic75.00

     Bulk Density Test Value (g/cm3)

    Grit NoF12F14F16F20F22F24F30F36F40F46
    B.D1.981.971.961.911.911.911.901.851.801.80
    Grit NoF54F60F70F80F90F100F120F150F180F220
    B.D1.751.751.751.741.731.731.731.701.691.64

    Grit Size Available (F)

    8121416202224303640465460708090
    10012015018022024028032036040050060080010001200

     Particle Size Distribution (PSD)

    PSD According to ISO, ANSI, FEPA and JIS.

     Packing Way Selection

    a. In 25kg plastic woven bags.
    b. In 1000kg big bag.
    c. 40 x 25kg plastic woven bags in one big bag.
    d. 40 x 25kg plastic woven bags on pallet.
    e. 40 x 25kg paper bags on pallet.
    f. According to client’s special requirement.

     Products Standard

    F4~F220 Macrogrits Size Distribution
    F230~F1200 Microgrits Size Distribution
    Bulk Density Testing Value Comparison Chart
    Microgrits Grit F230 – F8000
    Microgrits Grit F8 – F240


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