High-Alumina Ceramic Ball (92% / 95%)
Premium grinding media with low wear rate
92% and 95% alumina grinding balls with exceptional hardness for mineral and ceramic milling.
CategoryAlumina Ceramic Ball
ExportWorldwide
SampleAvailable
MOQFlexible
Product Overview
High-alumina ceramic balls are premium grinding media offering the ideal combination of hardness, density and wear resistance for ball mills processing minerals, ceramics, paints and cement. The high Al₂O₃ content delivers a Mohs hardness of 9 and extremely low abrasion loss, reducing media consumption and product contamination.
Our 92% and 95% alumina grinding balls are pressed and fired to tight diameter tolerance, providing consistent charge behavior and superior milling efficiency in both wet and dry grinding circuits.
Key Features
- Al₂O₃ content 92% or 95%
- Wear rate as low as 0.01-0.02%/hour
- Mohs hardness 9, density 3.6-3.7 g/cm³
- Tight diameter tolerance ±0.5mm
- Sizes from 10mm to 90mm
Technical Specifications
| Al₂O₃ content | 92% / 95% |
|---|---|
| Density | 3.6-3.7 g/cm³ |
| Hardness | ≥ 85 (Rockwell 45N) |
| Crush strength | ≥ 25 KN/ball (30mm) |
| Diameter | 10-90mm |
| Wear rate | ≤ 0.02% |
Applications
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