| Classification: | Iron Oxide |
|---|---|
| Grade Standard: | Industrial Grade |
| Quality: | First Class |
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| TEST ITEMS | SPECIFICATION |
| APPEARANCE | DARK YELLOW POWDER |
| CONTENT OF Fe2O3 | 70-82% |
| HEAT RESISTANCE | 260 °C min |
| CONTENT OF Al2O3 | 4% max |
| pH VALUE | 5-7 |
| SHADE | CLOSE TO STANDARD |
| OIL ABSORPTION | 30-45% |
| MOISTURE | 1.5% max |
| RESIDUE ON 325 MESH | 0.01% max |
| WATER SOLUBLE | 0.5% max |
| VOLATITE 105 °C | 1.0% max |
| TINTING STRENGTH | 98-102 % |
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