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  • FIRSTAR 92% High alumina grinding media balls

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    (1) Application


    Alumina grinding media ball is mainly used in ceramic, glaze, paint, zirconia silicate, aluminum oxide, quartz, silicon carbide, talc, lime carbonate, kaolin, titanium and other materials grinding,  and mechanical equipment accessories.


    (2) Properties


    High density, high hardness, low wear loss, regular shape, impact resistance, corrosion resistance, etc.


    (3) Chemical Property



    92% Alumina Grinding Ball

    Al2O3(%)

    92±1

    Fe2O3(%)

    <0.25

    SiO2(%)

    ≤5

    Mohs hardness

    9

    Water absorption

    <0.01

    Bulk density(g/cm3)

    >3.60

    Wear loss(g/kgh)

    <1.6

    Crushing strength(3mm)

    >1050N

    Size

    Ø0.5-60mm

    Sphericity

    >95%



    75% Alumina Grinding Ball

    Al2O3(%)

    >75

    Fe2O3(%)

    <0.4

    SiO2(%)

    ≤20

    Mohs hardness

    8

    Water absorption

    <0.01

    Bulk density(g/cm3)

    >3.15

    Wear loss(g/kgh)

    <1.6

    Crushing strength(3mm)

    >800N

    Size

    Ø0.5-13mm

    Sphericity

    >95%



    60% Alumina Grinding Ball

    Al2O3(%)

    ≥60

    Fe2O3(%)

    <0.6

    SiO2(%)

    ≤31

    Mohs hardness

    7

    Water absorption

    <0.01

    Bulk density(g/cm3)

    >2.8

    Wear loss(g/kgh)

    <1.6

    Crushing strength(3mm)

    >600N

    Size

    Ø0.5-13mm

    Sphericity

    >95%



    99% Alumina Grinding Ball

    Al2O3(%)

    ≥99

    Others(%)

    <0.5

    Mohs hardness

    7

    Water absorption

    <0.01

    Bulk density(g/cm3)

    >3.90

    Wear loss(g/kgh)

    <1.6

    Crushing strength(30mm)

    >55000N

    Size

    Ø0.5-13mm

    Sphericity

    >95%


    (4) Standard Dimension


    ø0.5-1mm, ø1.5mm, ø2mm, ø2.5mm, ø3mm, ø3.5mm, ø4mm, ø5mm, ø6mm, ø8mm, ø10mm, ø13mm,

    ø15mm, ø20mm, ø30mm, ø40mm, ø50mm, ø60mm


    (5) Package


    Different package as to meet different customer’s requirements.

    Wooden Crates              Drum          Plastic Pallet         Bulk Packing


    Mining Ceramic Grinding Media

    Name:Simon Bailey

    Email:sbailey@keramos.com

    Tel:+44 7919 001864

    Non Mining Ceramic Grinding Ball

    Email:info@chinaqimingxing.com

    Tel:+86-533-3591856

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