| CAS No.: | 1309-37-1 |
|---|---|
| Colour: | Brown |
| Appearance: | Powder |
|
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| TEST ITEMS |
SPECIFICATION |
| APPEARANCE |
BROWN POWDER |
CONTENT OF Fe 2 O 3 |
88% min |
| pH VALUE |
3.5-7.0 |
| SHADE |
CLOSE TO STANDARD |
| OIL ABSORPTION |
20-30% |
| RESIDUE ON 320 MESH |
0.3% max |
| WATER SOLUBLE |
0.3% max |
| VOLATITE 105 °C |
1.0% max |
| TINTING STRENGTH |
98-102 % |
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