Coating for Magnesium and Its Alloys and Method of Applying.
OFFICE OF THE SECRETARY OF THE ARMY WASHINGTON D C
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The patent provides the surface of magnesium and its alloys with a protective coating, both decorative and resistant to corrosion, when subjected to an ammonium bifluoride and an ammonium metavanadate aqueous solution which preferably contains in addition water-soluble organic compounds, water-soluble permanganate ions, or water-soluble nitrate ions. The coating is conveniently and efficiently applied to the metal which is the anode in the coating solution.
- Coatings, Colorants and Finishes