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.
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 |
Component | AL2O3 | MgO+CaO+Na2O | SiO2 | Others |
Wt% | 92.3% | 3.2% | 4.3% | 0.2% |
Density | Bulk weight | Moh's Hardness | Vickers hardness | waster absorption | Color |
3.7kg/dm3 | 2.2kg/L | 9 | >1500kg/mm2 | < 0.01% | White |
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 |
- 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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