Alumina Grinding Balls / Ceramic Balls

Alumina Grinding Balls / Ceramic Balls
Alumina Grinding Balls / Ceramic Balls
Alumina Grinding Balls / Ceramic Balls
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Description
The appearance of grinding ball is a white ball, with 0.5-120mm diameter and 70%-99% alumina content, which can be produced according to customers’ requirement.

Application
Grinding balls can be used as grinding medium for ball grinder mills of quartz sand, alumina powder, zirconium silicate powder, clay, kaolin and other materials. It is widely used in the industries of ceramics, mining, cement, paint, chemical engineering, pharmaceuticals, coatings, refractories and so on.

Parameters (alumina content can be customization)
Performance Index 75 Series 92 Series 95 Series
AL2O3 (%) ≥75 ≥92 ≥95
Moh's Hardness (%) 7.5 9 9
Moisture Content ≤0.02 ≤0.02 ≤0.02
Bulk Density (g/cm3) ≥3.0 ≥3.60 ≥3.68
Wearing Loss (‰) ≤0.20 ≤0.12 ≤0.1
Color White White White
Chemical component of 92 series
Component AL2O3 MgO+CaO+Na2O SiO2 Others
Wt% 92.3% 3.2% 4.3% 0.2%
Physical nature of 92 series
Density Bulk weight Moh's Hardness Vickers hardness waster absorption Color
3.7kg/dm3 2.2kg/L 9 >1500kg/mm2 < 0.01% White
Parts of balls’ size in 92 series (size can be customization)
Type Grain size(φmm) Type Grain size(φmm) Type Grain size(φmm)
AL-1 1.0±0.2 AL-8 8.0±0.4 AL-30 30.0±0.5
AL-2 2.0±0.3 AL-10 10.0±0.4 AL-40 40.0±1.0
AL-3 3.0±0.3 AL-13 13.0±0.4 AL-45 45.0±1.0
AL-4 4.0±0.3 AL-15 15.0±0.4 AL-50 50.0±1.0
AL-5 5.0±0.3 AL-20 20.0±0.5 AL-60 60.0±2.0
AL-6 6.0±0.3 AL-25 25.0±0.5 AL-70 70.0±2.0
Advantages
  • The main component of alumina grinding ball is aluminum oxide, which has the feature of high purity, high strength, high hardness, high whiteness, low wear and has few effect on quality of grinding materials.
  • The ceramic ball adopts rolling and isostatic forming, which has large density. It can improve grinding efficiency greatly, reduce grinding time and increase effective volume in order to increase the amount of grinding materials added.
  • High aluminum grinding ball has good wear resistance, which can extend the service life of grinder effectively.
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