Special high quality alumina powder as raw materials and made by rolling method technic. High firing technic to ensure good wear rate & high density.
| Al2O3 | ≥92±1% |
| SiO2 | 7% max. |
| CaO+MgO | ≤2% |
| Fe2O3 | 0.1% max. |
| Bulk Density | ≥3.65g/m3. |
| Hardness (Mohs') | 9 |
| Water absorption | ≤0.01% |
| Self wearing (Within 24 hours) | ≤0.005% |
| Compression Strength | Super |
| Color | White |
| Dimension | Ø60 | Ø50 | Ø45 | Ø40 | Ø35 | Ø30 | Ø25 | Ø22 | Ø20 |
| Dia.(mm) | 60±2 | 50±2 | 45±2 | 40±2 | 35±1.5 | 30±1.5 | 25±1.5 | 22±1.5 | 20±1 |
| Dimension | Ø19 | Ø18 | Ø15 | Ø13 | Ø10 | Ø8 | Ø6 | Ø3 | Ø1 |
| Dia.(mm) | 19±1 | 18±1 | 15±1 | 13±1 | 10±1 | 8±0.5 | 6±0.5 | 3±0.5 | 1±0.2 |