| Type: Black 740 |
| Fe2O3 or Fe3O4 (%) |
≥90 |
| Oil absorption (ml/100g) |
15-25 |
| Res.on325 mesh (%) |
≤0.5 |
| Water sol.Salts (%) |
≤0.5 |
| Moisture |
≤1.5 |
| PH value |
5-8 |
| Tamped apparent density (g/cm3) |
0.9-1.3 |
| Particle shape |
spherical |
| Compared with std. |
≤1 |
| Tinting strength |
95-105 | |
|
