Iron Oxide Brown Type: 842'7602'7601 Fe2O3: =80'=90'=90 Fe3O4: -- Oil absorption (%): 15-25 Residue on bolted (%): =0.4 Water soluble: =0.8 Moisture (%): =1.5 PH-value: 4-7 Density: 0.8-1.3 Particle Shape: In-regular Color difference vs standard: =1 Tinting strength (%): 95-105 Description: Character: 1.Brown powder, strong tinting and covering 2.Lightfastness and alkali resistant 3.Dvided into red-brown, black-brown, yellow-brown Application: coating, tinting of the building and rubber and plast