Iron Oxide RedFormula: Fe2O3Molecular Weight: 159.69CASNo.:1332-37-2EINECS: 215-570-8Relative density 5-5.25. Fineness 0.4 ~ 20 um. Melting point 1565(decomposition). When burned, oxygen is released, which can be reduced to iron by hydrogen and beta carbon oxide. Insoluble in water, soluble in hydro......
Item | Standard | Result | Method of assay |
Color Difference | Micro | Micro | 1864 |
Tinting Strength, % | ≥95 | 97.1 | GB5211.19 |
Residue On 325 mesh,% | ≤0.3 | 0.28 | GB5211.18 |
Fe% as Fe2O3 | ≥95 | 98.5 | GB/T1863-89 |
PH Value | 3.5-7 | 4.6 | GB1717 |
Oil Absorption, % g/100g | 20-35 | 24.6 | GB5211.15 |
Water Soluble salt, % | ≤0.5 | 0.23 | GB/T5211.2 |
Pb Cr O4 | Negative | Negative | GB/T1863-89 |
The Existence Of Organic Pigmentation | Negative | Negative | GB/T1863-89 |