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MSE PRO 8 mm Alumina Milling Media Balls, 1 kg– MSE Supplies LLC

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MSE PRO 8 mm Alumina Milling Media Balls, 1 kg

SKU: BA0217

  • £4100
  • Save £500



Description of Alumina Milling Media Balls

  • High performance wear resistant alumina ceramic balls are used in grinding and milling various materials.
  • Different sizes of alumina grinding balls are available: <1mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 13mm, 15mm, 17mm, 20mm, 30mm, 35mm, 40mm.
  • The alumina grinding / milling media balls are extensively used in the fields of Paints, Inks, Geology, Metallurgy, Electronics, Ceramics, Glass, Refractory, Chemical Engineering, etc.

Technical Data for Alumina Milling Media

    Product #

    BA0217

    Quantity 1 kg - 8 mm alumina balls, Approx. - 1,023 balls

    Main Material

    aluminum oxide ceramic Al2O3 > 92%

    Ball Diameters

    less than 1mm up to 40mm available

    Density

    3.6 g/cm3

    Shape

    sphere

    Color

    white

    Surface Condition

    polished

    Hardness

    >80 HRA

    Abrasion / Wear Resistance

    very good

    Compatible Materials medium-hard

     

    Additional Information on Alumina Milling Media Balls

    • Pre-grinding the coarse, hard materials with large balls
    • The use of many small balls will increase the fine portion of the materials when the grinding time is increased
    • A higher percentage of the grinding balls will accelerate the grinding process

    Selection of the Size of Grinding Balls

    Type of feed material

    Ball diameter

    Hard samples feed particle size (~10 mm)

    30 mm or 40 mm

    Medium size (<5 mm)

    20 mm

    Fine material (0.5 mm)

    10 mm or 5 mm or smaller

    Mixing and blending of dry or liquid materials

    10 mm

    Mixing and blending of viscous samples

    20 mm

    These are recommendations: the size of grinding jars and grinding balls should be determined experimentally if necessary.

    Choice of Grinding Jars & Grinding Balls

    In order to prevent excessive wear abrasion, the hardness of the grinding jars and the grinding balls must be higher than that of the material used for grinding. Normally, grinding jars and grinding balls of the same material should be chosen.

    Grinding Jars and Balls Combination

    Grinding Jar Volume

    100ml

    250ml

    500ml

    1000ml

    Compatible Ball Weight

    66g

    165g

    330g

    660g

    Ball size/qty (pcs)

    5mm

    106

    300

     

     

    10mm

    20

    76

    50

    100

    15mm

     

    4

    30

    59

    20mm

     

     

    3

    5

    These values are recommendations: the size and number of balls should be determined experimentally.

    Calculated Ball Weight

    Ball diameter (mm)

    5

    10

    15

    20

    30

    40

    Material

    Density

    Calculated ball weight (g)

    Agate

    2.65 g/cm3

    0.17

    1.39

    4.68

    11.10

    37.46

    88.80

    Alumina ceramic

    3.8 g/cm3

    0.25

    1.99

    6.72

    15.92

    53.72

    127.34

    Zirconium oxide

    6.06 g/cm3

    0.39

    3.17

    10.71

    25.39

    85.67

    203.07

    Stainless steel

    7.93 g/cm3

    0.52

    4.15

    14.00

    33.20

    112.05

    265.60

    PTFE

    2.14 g/cm3

    0.14

    1.12

    3.78

    8.96

    30.24

    71.68

    Tungsten carbide

    14.95 g/cm3

    0.98

    7.82

    26.41

    62.59

    211.24

    500.73