| Specification | |||||||
| Product | MICACEOUS IRON OXIDE GRAY 2003 | ||||||
| Chemical and Physical | |||||||
| Analysis Properties | Unit | Min | Max | ||||
| Iron as Fe2O3 | % | 85 | ─ | ||||
| Matter volatile at 105 0C | % | ─ | 0.5 | ||||
| Matter soluble in water | % | ─ | 0.5 | ||||
| Residue on sieve (105 micron sieve) | % | ─ | 0.10 | ||||
| Residue on sieve (63 micron sieve) | % | ─ | 3.0 | ||||
| Residue on sieve (40 micron sieve) | % | 1 | 10 | ||||
| Oil Absorption | g/100g | 17 | 22 | ||||
| Colouristic Analysis | |||||||
| Properties | Unit | Min | Max | ||||
Colour data in comparison with the valid standard | |||||||
| DL | CIELAB | -2.0 | 2.0 | ||||
| DE | CIELAB | ─ | 2.0 | ||||
| Visual colour difference | minimal | ||||||
| Visual colour strength difference | minimal | ||||||