| Specification | |||||||
| Product | Iron Blue 2507 | ||||||
| Chemical and Physical | |||||||
| Analysis Properties | Unit | Min | Max | ||||
| Iron as Fe2O3 | % | 85 | ─ | ||||
| Matter soluble in water | % | ─ | 2.00 | ||||
| Matter volatile at 105 ℃ | % | ─ | 4.0 | ||||
| PH value | 5.50 | 9.0 | |||||
| Oil Absorption | g/100g | ─ | 48 | ||||
| Colouristic Analysis | |||||||
| Properties | Unit | Min | Max | ||||
Colour data in comparison with the valid standard | |||||||
| DL | CIELAB | -1.5 | 1.5 | ||||
| DE | CIELAB | ─ | 1.5 | ||||
| Colour strength | % | 95 | 105 | ||||
| Visual colour difference | minimal | ||||||
| Visual colour strength difference | minimal | ||||||