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Medium density alumina balls. XIETA® - 80

These balls are produced with alumina in the highest degree of calcination, which gives them very good mechanical properties, and also high chemical stability.

The XIETA®-80 ball is in the medium density range category.

With this type of grinding balls, we manage to have more efficient grindings than those achieved with the BTC®-72 balls. They are recommended for grinding clays, pastes, etc., and all the raw materials not recommended for milling with low-density balls, such as, calcium carbides, talc or magnesia carbides.

  • General Properties

    Main Raw Material

    Calcined Alumina

    Alumina Content (%)

    ≥ 80

    Specific Weight (g/cm3)

    3.20 ± 0.05
    Colour White
    Mohs Hardness

    8 – 9

    Vickers Hardness (0.5 kg)

    1000 ± 50

    Bending Strength (MPa)

    290 ± 30
    Compressive Strength (MPa)

    1800 ± 50
    Thermal Expansion Coef. (20-1000 oC)

    6.8 ± 0.5

  • Chemical Composition

    Al2O3 (%)

    ≥ 80.1

    SiO2 (%)

    ≥ 16.2

    CaO (%)

    ≤ 1.2

    Na2O (%)

    < 0.9

    Others (%)

    ≥ 1.6

  • Available Sizes
    Reference Diameter (mm) Diameter (inches)

    XT80-30

    30

    1 1/4

    XT80-40

    40

    		 1 1/2

    XT80-50

    50

    2

    XT80-60

    60

    		 21/2

     

    Data and specifications contained in this web may be subject to any change or modification by the manufacturer without notice

    In case you need any clarification or you have any query, please contact our technical department.

     

     

    		  
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C/Travessera de Gràcia 62, At. 7.
08006 - Barcelona-Spain

C/Cantabria, 10 - POL INDUSTRIAL EL COLADOR, onda,
12200 - Castellon - Spain

Telf.: +34 934 147 227

Fax: +34 934 142 837

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