| Specification | |||||||
| Product | Transparent Iron Oxide Yellow 3281 | ||||||
| Chemical and Physical | |||||||
| Analysis Properties | Unit | Min | Max | ||||
| Matter volatile at 105 0C | % | ─ | 3.5 | ||||
| Matter soluble in water | % | ─ | 0.30 | ||||
| Residue on sieve (45µm sieve) | % | ─ | 0.15 | ||||
| PH value | % | 5.0 | 8.0 | ||||
| Oil Absorption | g/100g | 30 | 40 | ||||
| Heat Resistance | ℃ | ─ | 160 | ||||
| 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 | ||||||