with high density , high mechanical strength and good wear-resistance, high chemical stability, Grinding ceramic ball has been used widely in ball mills as abrasive media for ceramic raw materials and glaze materials in ceramic, cement, paints, pigments, chemicals, pharmaceuticals, paint industry.
Main performance indices : Parameter | 70 Alumina ball | 85 Alumina ball | 92 Alumina ball | 95 Alumina ball | Al2o3 content(%) | 60-70 | ≥85 | ≥92 | ≥95 | water absorption(%) | ≤0.02 | ≤0.02 | ≤0.01 | ≤0.01 | Heaping density(g/cm3) | 2.95-3.05 | ≥3.4 | ≥3.5 | ≥3.6 | Hardness(Mohs) | 8-8.5 | 9 | 9 | 9 | Crush Strength (Mpa) | >1200 | >1700 | >2000 | >2250 | abrasion rate(g/kg.h) | <0.05 | <0.025 | <0.015 | <0.01 | Appearance | white | white | white | white | Size (mm) | 30\40\50\60\70 |
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