| Density | 3.6 |
| hardness | 9 |
| color | white |
Alumina beads for griding application, as grinding media for ball mill, is widely used in ceramic, cement, paint, color, chemical, pharmaceutical, coating and mining industry. Alumina grinding ball has many advantages, e.g. high hardness, good toughness, high density, good erosion resistance, regular shape etc.
Alumina Ceramic Bead Specifications:
| 1) Chemical composition |
| Al2O3 : ≥92 % |
| SiO2 : 4.22 % |
| Fe2O3 : 0.06 % |
| TiO2 : 0.05 % |
| CaO : 0.53 % |
| MgO : 0.3 % |
| K2O : 0.05 % |
| Na2O : 0.48 % |
| 2) Physical Properties |
| Density : ≥3.60 g/Cm3 |
| EWT : ≤0.15 ‰ |
| Compressive Strength : >2000 MPa |
| Water Absorption : <0.01 % |
| Crushing Strength : ≥520 kN |
| Hardness : 9 (Mohs) |
| Color : White |
