| hnical Data | Grade | Tamped Density (g/cm3) | Moisture at 105℃(%) | Oil Absorption (ml/100g) | PH value | 320μ Residue on Sieve (%) | Tinting strength (%) | △E Compared with std. | Iron oxide Fe2O3(%) |
| Iron Oxide Black | 318 | 0.9-1.3 | 1.0max | 15~25 | 5~8 | 0.4max | 95~105 | 1max | 93min |
| 330 | 0.8-1.3 | 1.0max | 15~25 | 5~8 | 0.4max | 95~105 | 1max | 93min | |
| 750 | 0.8-1.2 | 1.0max | 15~25 | 5~8 | 0.4max | 95~105 | 1max | 93min | |
| 790 | 0.8-1.2 | 1.0max | 15~25 | 5~8 | 0.4max | 95~105 | 1max | 93min |
