Iron Oxide has various commercial uses such as iron ores, catalysts, pigments in dental composites; pigments in paints, coatings, colored concentrates. The magnetic properties of iron oxides have been exploited in a broad range of applications including magnetic seals and inks, magnetic recording media, catalysts, and ferrofluids. The steel and iron industries utilize iron oxide as a feedstock to mass produce iron, steel and other alloys.
Sales Specification

Brown Powder (combination of yellow and red)
Relative Coloring powder (compared with the standard): 98% min
Volatile matter @ 105C: 2.5 max
Water soluble matter: 0.2% max
Residue on 45um mesh: 0.5% max
PH of water suspension: 7-9
Oil absorption g/100g: 30-35
Total iron-oxide: 90.0% min
Oil resistance: 5 grade
Water resistance: 5 grade
Alkaline resistance: 5 grade
Acid resistance: 5 grade
Solvent resistance (alcohol resistance methylbenzene resistance): 5 grade
UV absorption: 85% min
Quality Standard

Meet the standard of USP and European Pharmaceutical standard.
Packing

50 LB paper bag.