Iron oxide yellow 311 is widely used in paints and coatings, cement products such as paving stones, concrete blocks, roofing tiles, bricks, slurry, etc., asphalts, sports racetracks, plastics and rubbers, leather industries, papers and pulp, terraces, architectural and building materials.
| Specification | Value |
| Appearance | Greenish yellow powder |
| Content of Fe2O3, % | 86 min. |
| pH value | 3-7 |
| Shade | Close to std. |
| Oil Absorption, % | 25-35 |
| Residue on 320 mesh, % | 0.3 max. |
| Water soluble, % | 0.3 max. |
| Volatile at 105℃ | 1.0 max. |
| Tinting strength, % | 98-102 |
| DE (compared with std,) | 0.5 max. |
