Specification :

Model: 842 ( red brown) 7601( yellow brown) 7602( black brown) ( Fe2O3, Fe3O4)
Properties: Brown powder, with excellent pigment performance, high coloring and hiding power, good light-fastness and resistance and no water permeability or oil permeability, insoluble in water, alcohol, ether and soluble in hot acid. Colors differ in accordance with the techniques, yellow brown, red brown and black brown respectively.
Quality Standard: 842 iron oxide brown ( export-grade) : red brown ferric oxide 80% , moisture d 1% , water-soluble matter d 0.5% , screen residue d 0.3% , oil absorption 25-30, and PH value 5 - 7.
7602 iron oxide brown is in black brown, Fe2O3 content e 90% , moisture d 1% , water-soluble matter d 0.5% , screen residue d 0.3% , and oil absorption 25-35% .
Applications: Coloring for paints, rubbers plastics, paintings, buildings, grounds and floor tiles.