Iron Oxide
Brown
Variety: Iron oxide brown 545, 565, 842, 841 Characteristics: Brown powder, a kind of alkaline oxide with relatively stable chemical property, not soluble in alkalis, slightly dissolved in acids, completely dissolved in thick hydrochloric acid without any reaction with water. Uses: Mainly in coating, paint, also as coloring agent for building material, rubber, PVC plastic etc. |
Technical Index
| Shade | Similar | Note:Compared with standard sample |
| Tinting strength % | 100+/-5 | Note:Compared with standard sample |
| Oil absorption % | 25-35 | |
| Moisture % | max.1 | |
| Fineness(residue through 320mesh) % | max.0.5 | |
| PH value | 3.5-7 | |
| Water soluble matter % | max.0.5 | |
| Fe2O3 content % | min.85 |
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