401G and 401W are both brown powder, they are suitable for common system and water based system separately.
Transparent Iron oxide brown is mainly used in wood coatings, automobile coatings, plastic coatings, metal coatings, architectural coatings, artist colors, high temperature glass ink etc.
| Specification | Value | Value |
| Appearance | Brown powder | Brown powder |
| Transparency | Similar | Similar |
| pH value | 4.2 | 6.7 |
| Shade | Similar | Similar |
| Oil Absorption, % | 38 | 38 |
| Residue on 325 mesh, % | 0.1 | 0.1 |
| Water Soluble, % | 0.5 | 0.5 |
| Volatile at 105℃ | 3.5 | 3.5 |
| Tinting Strength, % | 95 | 95 |
| DE (compared with std,) | 1.0 | 1.0 |
| Light Fastness | 8 | 8 |
| Weather Resistance | 5 | 5 |
| Acid Resistance | 5 | 5 |
| Alkali Resistance | 5 | 5 |
| Type | 401G | 401W |
