Item | Unit | Index Value | Test Method |
Contents(Fe2O3.a H2O) | % | ≥96 | ISO1248 |
Oil absorption | ml/100g | 15-25 | ISO787-5 |
Res.on 325 mesh | % | ≤0.3 | ISO787-7 |
Water soluble salts | % | ≤0.3 | ISO787-3 |
Moisture | % | ≤1.0 | ISO787-2 |
PH value | 3-7 | ISO787-9 | |
Ignition loss(1,000℃,1/2h) | % | ≤1.0 | DIN55913 |
Bulk density | g/cm³ | 0.7-1.1 | ISO787-11 |
Specific gravity | g/cm³ | 5.0 | ISO787-10 |
Particle size BET | µm | 0.13 | Eletron Micrographs |
Dispersibility(Hegman) | µm | 20/25/30 | ISO787-20 |
Tinting Strength(Compared with Standard) | % | 95-105 | ISO787-24 |
Color Difference ΔE (Compared with Standard) | ≤1.0 | ISO787-1 |