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Microlite Abrasive Alumina Ball
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The product is of high hardness,big density,low consumption,good normalization,good corrosion-resistance,etc.,and is the most ideal high-efficient grinding medium for ultra-fine grinding equipment.
Test method of the wear rate:
The test is carried out in 7L standard ball mill for 24 hours at 8.0 rpm with 4kg balls and 4kg water.The dry weights of balls before and after test are M and M1 respectively,The self wear rate is: (M-M1)×1000/24M g/hkg |
Performance Index of Microlite Abrasive Alumina Ball,Lining Brick |
Product |
90 Series |
92 Series |
95 Series |
Performance index |
Al2O3(%) |
≥90 |
≥92 |
≥95 |
Fe2O3(%) |
≤0.3 |
≤0.25 |
≤0.2 |
Moh's Hardness |
9 |
9 |
9 |
Moisture Content(%) |
≤0.02 |
≤0.02 |
≤0.02 |
Bulk Density
(g/cm3)
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≥3.55 |
≥3.60 |
≥3.65 |
Wearing Consumption(‰)
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≤0.20 |
≤0.15 |
≤0.10 |
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Product Spec. of Microlite Abrasive Alumina Ball |
Product |
90 Series |
92 Series |
95 Series |
Specification |
Φ1-Φ15(mm) |
±0.5 |
±0.5 |
±0.5 |
Φ16-Φ25(mm) |
±1 |
±1 |
±1 |
Φ30-Φ40(mm) |
±1.5 |
±1.5 |
±1.5 |
Φ50-Φ60(mm) |
±2 |
±2 |
±2 |
Φ70-Φ80(mm) |
±3 |
±3 |
±3 |
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