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    White Fused Alumina

    Brown Fused Alumina

    Black silicon carbide

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    Properties Application Inquiry Related products

    Properties

    Mohs hardness

    9

    Bulk density

    1.75-1.95g/cm3

    Specific gravity

    3.95g/cm3

    Volume density

    3.6

    Melting degree 

    2250℃

    Refractory degree

    1900℃

    Application

     
    Bonded abrasives and Coated abrasives
    Floor / Wall Laminates
    Thermal Spraying (Plasma Spraying)
    Lapping & Micro-blasting applications
    Surface preparation and finishing
    Super Refractories, Ceramics and Tiles
    Brake linings

    Used for refractory,castable

    Properties 0-1 1-3 3-5m/m   100F  200F325F
    Guarantee  Value Typical Value Guarantee Value Typical Value
    Chemical Composition Al2O3 ≥99 99.5 ≥98.5 99
    SiO2 ≤0.4 0.06 ≤0.30 0.08
    Fe2O3 ≤0.2 0.04 ≤0.20 0.1
    Na2O ≤0.4 0.3 ≤0.40 0.35

    Used for abrasives,blasting,grinding

    Properties Type Grains
    8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220#
    Guarantee Value Typical Value
    Chemical Composition Al2O3 ≥99 99.5
    SiO2 ≤0.2 0.04
    Fe2O3 ≤0.2 0.04
    Na2O ≤0.30 0.23

    Used for abrasives ,lapping,Polishing

    Properties Type Micropowder
    "W" W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5
    "FEPA" F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000
    "JIS" 240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000#
    Guarantee Value Typical Value
    Chemical Composition Al2O3 ≥99 99.2
    SiO2 ≤0.4 0.08
    Fe2O3 ≤0.2 0.06
    Na2O ≤0.4 0.35

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