| Physical Properties | Main Chemical Components (%) | ||||||
|---|---|---|---|---|---|---|---|
| Density (ton/m³) | Grain Size (mm) | Total Iron (Total Fe) | Silicon Oxide (SiO₂) | Aluminum Oxide (Al₂O₃) | Calcium Oxide (CaO) | Phosphorus (P) Max | Sulfur (S) Max |
| 2.2 | 6 – | 67 – 62 | 3 – 2 | 0.8 – 0.2 | 1.5 – 0.5 | 0.04 | 0.04 |