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Trade name | Iron oxide black | ||||||
Type | 740 | ||||||
REACH | Registration No. 01-2119457646-28-0014 | ||||||
Chemical name | Triiron tetraoxide (Fe3O4) | ||||||
Delivery form | Powder | ||||||
Colour index | Pigment black 11 (77499) | ||||||
CAS No./EC No. | 1317-61-9/215-277-5 | ||||||
Specifications | Contents (Fe3O4) | % | ≥90 | ISO1248 | |||
Oil absorption | ml/100g | 15~25 | ISO787-5 | ||||
Res. on 325 mesh | % | ≤0.5 | ISO787-7 | ||||
Water soluble salts | % | ≤0.5 | ISO787-3 | ||||
Moisture | % | ≤1.5 | ISO787-2 | ||||
pH value | 5~8 | ISO787-9 | |||||
Ignition loss (1,000oC, ½ h) | % | ≤5.0 | DIN55913 | ||||
Bulk density | g/cm3 | 0.8~1.2 | ISO787-11 | ||||
Specific gravity | g/cm3 | 4.8 | ISO787-10 | ||||
Particle size BET | µm | 0.2 | Electron Micrographs | ||||
Dispersibility (Hegman) | µm | 20/30/40 | ISO787-20 | ||||
Tinting Strength (Compared with Standard) | % | 95~105 | ISO787-24 | ||||
Color Difference △E (Compared with Standard) | ≤1.0 | ISO787-1 | |||||
Sales packing | In 25kg paper bag/1000kg bulk bag then palletized | ||||||
Transport & Storage | Protect against weathering / Store in a dry place, temperatures of above 80 °C must | ||||||
be avoided | |||||||
Safety | The product is not classified as hazardous under EC 1907/2006 & EC 1272/2008 | ||||||









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