ZIBO TONGXIN NEW MATERIALS TEOHONOLOGY CO.,LTD

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    alumina grinding ball

    Wear-resisting alumina ball is high quality grinding media,which use selected high quality materials,advanced cold isostatic pressing forming technology and made after high calcined temperature.In order to meet the domestic and foreign customers for different class product demand,besides the 92% alumina grinding ball,we develop other different grades of products.

    1. detailed information

    Wear-resisting alumina ball is high quality grinding media,which use selected high quality materials,advanced cold isostatic pressing forming technology and made after high calcined temperature.In order to meet the domestic and foreign customers for different class product demand,besides the 92% alumina grinding ball,we develop other different grades of products.

    Item

    70 series

    92 series

    95 series

    AL2O3(%)

    68%-70%

    Around 90

    Around 95

    Fe2O3(%)

    ≤0.02

    ≤0.02

    ≤0.02

    Hardness(mohs)

    7-8

    9

    9

    Density(g/cm3)

    3.26

    ≥3.60

    ≥3.70

    Compressive strength MPa


    ≥2000

    ≥2250

    Abrasion (‰)

    Around 0.3

    0.15

    0.08

    Color

    Faint Yellow

    White

    White


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