Chemical Formula: Fe3O4 or Fe2O3·FeO
As an important inorganic colorant, iron oxide black is characterized high opacity, strong tinting strength, easy dispersibility, excellent light fastness and perfect weather resistance. It is extensively used in concrete, roofing tile, paver, stucco, masonary, paint, coating, rubber, plastic, paper and leather industries etc.
Product Name: iron oxide black
1. Product Overview: Formula Fe2O3FeO, with a saturated blue-black ink light-colored, strong, high hiding power, light-fastness is good.
2. Specifications Model:417/723/732/757 /779/987/722/792
3. Usage: widely used in colored cement, bricks, paint, paints, building materials, rubber, plastics and other fields.
4. Storage conditions: store in a dry place without rendering damp, avoid high temperature and with the acid-base complex isolation. According to the above storage conditions, unpackaged products effective storage period of three years.
5. Packing: 25 kg / bag, outer plastic inside compiled.
6. Instructions for use:
Used in cement, iron black ratio is 2 ~ 4%. Adequate mixing.
Product Name: Iron Oxide Black Model: 723/732 /987/722
Test item |
The indicator |
Test results |
Fe3O4 content, ≥% |
94 |
95 |
Water, ≤% |
1.0 |
0.8 |
Water-soluble matter, ≤% |
0.5 |
0.4 |
Sieve residue (325 mesh)% |
0.5 |
0.3 |
Oil Absorption (ml/100g) |
15 ~ 25 |
20 |
pH, |
5.0 ~ 8.0 |
7.5 |
Color strength,% |
100 ± 5 |
100 |
Conclusion: This product is eligible. |
Test item |
The indicator |
Test results |
Fe3O4 content, ≥% |
94 |
96 |
Water, ≤% |
1.0 |
0.8 |
Water-soluble matter, ≤% |
0.5 |
0.4 |
Sieve residue (325 mesh)% |
0.5 |
0.3 |
Oil Absorption (ml/100g) |
15 ~ 25 |
20 |
pH, |
5.0 ~ 8.0 |
7.5 |
Color strength,% |
100 ± 5 |
100 |
Conclusion: This product is eligible. |