Characteristics: Black Powder, the affixture of ferrous oxide and
ferric oxide, attracted by magnet, strong tinting and covering
strength, good proof of light and atmosphere. Non-invasive, stable
in the general organic solvent, non-proof of acid, can dissolve in
the heated strong acid, good basicity.
Application: Coating, antirust paint, primer, watercolors and
greasepaint in culture industrial, colored in artificial marble,
the cement ground and floor; Boron steels in the electronic and
telecommunication, cathode board in alkaline battery, steel
detection in machine industry
