| IUPAC name |
Iron Oxide |
| Molecular formula |
Fe2O3 , Fe3O4 |
| CAS number |
Fe2O3 |
1309-37-1 |
Fe3O4 |
12227-89-3 |
| appearance |
red/brown/black/yellow/blue powder |
| Item |
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Iron oxide Red 190 |
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| Fe2O3/Fe3O4≥% |
96 |
95 |
92 |
93 |
86 |
|
| 105°C Moisture ≤% |
1 |
1 |
1 |
1 |
1 |
1 |
| Water soluble salts ≤% |
0. 3 |
0. 3 |
0. 5 |
0. 5 |
0. 3 |
0. 5 |
| Residue on 45um≤% |
0. 2 |
0. 2 |
0. 3 |
0. 3 |
0. 3 |
0. 3 |
| PH-value |
3. 5-8 |
3. 5-8 |
4-7 |
5-8 |
3. 5-7 |
|
| Oil absorption |
15-25 |
15-25 |
20-30 |
12-25 |
25-35 |
|
| Tinting strength % |
95-105 |
95-105 |
95-105 |
95-105 |
95-105 |
95-105 |
| Density approx / cm3 |
5. 0-5. 1 |
5. 0-5. 1 |
4. 8 |
4. 5-5. 0 |
4. 0-4. 3 |
|
| packing |
Three kraft paper or plastic woven sack packaging, 25 kg per bag |
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1. Iron Oxide pigment is used as dye or colorant in various prefabricated concrete |
| product usage |
parts and architectural products and materials. It is directly added into cement |
| to color up various indoor and outdoor cement surfaces, i. e. walls, terraces, |
| ceilings, pillars, corridors, roads, car-park, stairs, stations, etc, as well as |
| various building ceramic and glazed ceramics, i. e. |
| 2. Iron Oxide pigment is also applicable to various coatings and protective |
| materials, including water exterior coating and powder coatings, as well as |
| various oil paints, such as epoxy, alkyd, amidogen, and some other primer |
| and finish paints. It can be used in toy paints, decorative paints, furniture |
| lacquers, electrophoretic paints, enameled paints, etc. |
| 3. Iron Oxide pigment is used as coloring materials for plastic products, like |
| thermosetting plastic and thermoplastic, as well as in rubber products, such as |
| tyre tubes for automobiles, |
| 4. Iron oxide is used as catalyst . It can be used in metal semelting, light |
| manufacturing , glass, precious stone, and metal polish. |
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