ZTA Ceramic Grinding Media For Mining
In the mining industry, equipment operates under conditions of severe wear, heavy impact, and strong corrosion. Choosing the right wear-resistant material is crucial. While traditional steel balls or alumina balls are widely used, they may not fully meet the demands of high-intensity ore grinding.
ZTA (Zirconia Toughened Alumina) ceramics, with their unique properties, are becoming a preferred grinding media in modern mining operations.
Key Features of ZTA Ceramics Grinding media:
Superior Hardness & Wear Resistance – Longer service life compared to standard alumina ceramics.
Enhanced Toughness – Zirconia addition significantly improves fracture resistance under impact.
Low Contamination – Unlike steel balls, ZTA ceramic grinding media introduces no iron impurities, ensuring ore purity.
Energy Efficiency – Optimized balance of density and hardness enables efficient grinding.
Cost Savings – Reduced replacement frequency and maintenance costs.
| TZ37 | TZ38 | TS40 | TS41 | TZ40 | TZ45 | TZ47 | TZ50 | |
| Chemical composition | AL2O3+ZrO2≥92% | AL2O3+ZrO2≥92% | AL2O3+ZrO2≥65% | AL2O3+ZrO2≥67% | AL2O3+ZrO2≥90% | AL2O3+ZrO2≥95% | AL2O3+ZrO2≥96% | AL2O3+ZrO2≥96% |
| SiO2≤5% | SiO2≤5% | SiO2 ≤33% | SiO2 ≤30% | SiO2 ≤5% | SiO2 ≤2% | SiO2 ≤2% | SiO2 ≤2% | |
| Others≤3% | Others≤3% | Others≤3% | Others≤3% | Others≤3% | Others≤3% | Others≤2% | Others≤2% | |
| Density (g/cm3) | ≥3.70 | ≥3.75 | ≥4.15 | ≥4.10 | 3.95-4.05 | ≥4.45 | ≥4.65 | ≥4.95 |
| Vickers hardness((GPa) | ≥12 | ≥12 | ≥10 | ≥10 | ≥12 | ≥12 | ≥12 | ≥11 |
| Rapid wearing rate (g/kg.h) | ≤0.9 | ≤0.7 | ≤0.8 | ≤1.0 | ≤1.0 | ≤1.2 | ≤1.2 | ≤1.2 |
| Roundness | ≥96% | ≥96% | ≥96% | ≥96% | ≥96% | ≥96% | ≥96% | ≥96% |
Typical Applications of zta ceramic grinding media :
Grinding of copper, gold, iron, and other ores
Ball mills and stirred mills with severe wear conditions
Mineral processing lines requiring high purity
With excellent wear resistance and toughness, ZTA ceramics grinding media are gradually replacing steel balls and pure alumina balls, becoming the "wear-resistant expert" in the mining industry.
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