... EINECS No: 257-870-1 Iron oxide brownLubon IndustryPigment Brown 6CAS No: 52357-70-7;1332-59-8 EINECS ... Residue On 45 MeshPH-valueOil AbsorptionFe2O3CommodityNatural ColorDilution ColorIron Oxide Brown 610 100±2%<=1.0%<=0.5%<=0.5% ... 4.0-7.515-25%>=90%Iron Oxide Brown 650 100±2%<=1.0%<=0.5%<=0.5% ... %REMARK: We can supply you other grades of Iron Oxide Brown, such as 600, 630, 766, etc. The quantity ...