| Fe2O3 or Fe3O4 (%) |
≥86.0 |
| Oil absorption (ml/100g) |
40.0-50.0 |
| Res.on325 mesh (%) |
≤0.10 |
| Water sol.Salts (%) |
≤0.50 |
| Moisture |
≤0.5 |
| PH value |
5.0-7.0 |
| Heat Resistance ℃ |
≤180 |
| Specific gravity g/ml
|
4.1 |
| Compared with std. |
≤0.80 |
| Tinting strength |
95.00-105.00 |
| Average Particle size
|
0.12�0.7 |
|
