China (Mainland) 
iron oxide black (fe3o4)
name: iron oxide black
synonyms: ferrosoferric oxide; triiron tetraoxide
iron oxide black (fe3o4) is very important inorganic color pigments, which have minimal toxicity. there is a high hiding power and coloring power. do not dissolved in alkali and light-acid, but only in the case of heating can be dissolved in sulfuric acid. and also do not dissolved in organic solvents, water and organic binder, etc.
95% iron oxide black; 94% iron oxide black
| product name | product brand | color(compared with the standard sample) | shading intensity(compared with the standard sample) | fe2o3% | volatiles in 105°c% | water insolubles% | residue(through 325 mesh)% | oil absorption(g/100g) |
|
iron oxide black (fe3o4) |
stb722 | near to the nearest | 100±5 | 95.0 | 1.0 | 1.0 | 0.5 | / |
| stb723 | near to the nearest | 100±5 | 94.0 | 1.0 | 1.0 | 0.5 | / |
high purity iron oxide black
in plastic, rubber, paint and chemical fiber was used as a reinforcing agent. at the same time, high purity iron oxide black is sun-proof, and could prevention of ultraviolet. can be used as primer, anticorrosive paint. also can be with alkaline cemente or gypsum or other materials to been made the color of building materials. and can be used to plastic coloring, leather industry,paper industry, pharmaceutical industry, cosmetics, painting and so on.