| Fe2O3 or Fe3O4 (%) |
≥96.0 |
| Oil absorption (ml/100g) |
20.0-30.0 |
| Res.on325 mesh (%) |
≤0.08 |
| Water sol.Salts (%) |
≤0.50 |
| Moisture |
≤1.0 |
| PH value |
≤4.0 |
| Heat Resistance ℃ |
≤650 |
| Specific gravity g/ml
|
5.2 |
| Compared with std. |
≤0.80 |
| Tinting strength |
95.00-105.00 |
| Average Particle size
|
0.39 |
|
