[Home]
product >Oxidized iron oxide black (Fe3O4))
Oxidized iron oxide black (Fe3O4)
Chemical composition 锛
Black or dark red powder. Insoluble in water, alcohol, soluble in strong acid, hot acid.
fusion point :1538 鈩(lit.)
density :4.8-5.1 g/mL at 25 鈩(lit.)
English synonyms: magnetite; refined iron; pigment black, black oxide
| Item | index | Test method |
| 320Mesh/360Mesh/400Mesh | ||
| appearance | Black powder | tinting power |
| Black iron oxide content % | ≥80 | GB1861-80 |
| hydrotrope % | ≤0.8 | GB5211.2 |
| screenings % | ≤0.5 | GB1715-79锛圵et锛 |
| PH value of aqueous suspension | 6锝8.5 | GB717-70 |
| moisture % | ≤0.7 | GB1714-79 |
| oil absorb % | 10锝20 | GB1712-79 |
| Hiding g / square meter | ≤20 | GB1709-79 |