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1. Introduction
The alumina ball is made from the materials of bauxite, industrial alumina powder, high-temperature sintered alpha alumina powder etc. Alumina grinding ball is made by the steps of proportioning, grinding, pulverizing, forming, drying, sintering etc. Alumina ceramic grinding ball mainly used as a grinding media.
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2. Specification
|
Product Index |
DuraBall75® |
DuraBall80® |
DuraBall92® |
DuraBall92S® |
DuraBall95® |
|
Al2O3 (%) |
≥75 |
(+ZrO2) ≥80 |
≥92 |
≥92 |
≥95 |
|
Moh’s hardness |
8.5 |
8.5 |
9 |
9 |
9 |
|
Bulk Density (g/cm3) |
≥3.15 |
≥3.30 |
≥3.60 |
≥3.63 |
≥3.68 |
|
Wear Loss (%) |
≤0.008 |
≤0.010 |
≤0.008 |
≤0.005 |
≤0.005 |
|
Application |
Wet grinding |
Wet grinding |
Wet grinding |
Wet & Dry grinding |
Wet & Dry Grinding |
|
Forming Method |
<30-rolling 40-60 pressing |
<30-rolling 40-60 pressing |
<30-rolling 40-60 pressing |
D.13-D.60 Pressing |
D.13-D.60 Pressing |
3. Available Size
From 0.5mm up to dia.100mm are available.
4. Packaging
25kg net in PP-bag or big bag of 500 or 1000kg net. 20-24MT/20' FCL.
5. Key Benefits
· Extremely cost effective
· Improves grinding efficiency and energy costs
· Longer service time due to low wear rate
· Contamination free to the color and composition of the ground material
· Technical support provided to optimize milling conditions
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