Product Description

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. **2 iron oxide brown (export-grade): Red brown ferric oxide *0%, moisture ≤ 1%, water-soluble matter ≤ 0.5%, screen residue ≤ 0.3%, oil absorption ****0, and pH value 5 - 7. ***2 iron oxide brown is in black brown, Fe2O3 content ≥ *0%, moisture ≤ 1%, water-soluble matter ≤ 0.5%, screen residue ≤ 0.3%, and oil absorption ****5%. Applications: Coloring for paints, rubbers plastics, paintings, buildings, grounds and floor tiles. Model: **2 (red brown) ***1(yellow brown) ***2(black brown) (Fe2O3, Fe3O4