Method for surface treatment of a metallic material

Details Method for surface treatment of a metallic material Method for surface treatment of a metallic material

C - Chemistry, Metallurgy

23

C

C23C 22/63 (2006.01)

Patent

CA 2176291

The present invention relates to a method for creating an artificial patina on the surface of a copper-bearing material using a patination agent applied to the surface of the material after it has been installed in a final location of use. The precipitate of the patination agent is filtered and washed, and its content in the patination agent is adjusted within the range of 15 to 50% by weight of the patination agent after filtering. The patination agent is stored at a temperature below 5°C until it is used.

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