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topic 9155

Looking for a process(formulation) for coloring on silver metal


I'm looking for an chemical process for coloring silver in blue and green.

Yaakov Casapu


You should start by searching the literature. A good source of a variety of methods for coloring different substrates are included in the Metal Finishing Guide Book. This book is published by Metal Finishing Magazine.

Gene Packman
process supplier - Great Neck, New York


Electrophoretic coating can do the job. The coating itself is clear but it can be colored by dyes or pigments into many colors.

S. Y. Yuen
- Hong Kong, China

August 21, 2009

I had, in my possession, a silver Japanese cigarette case that was decorated, on the insides of the covers, with traditional fishing village scenes. It was quite lovely - the tints were rather subdued, reminiscent of the various watercolors I'd seen of similar scenes. There were no identifying marks such as the artist's stamp. I took this to have been done with various metallic salts and that this was an established craft in Japan. This particular item was apparently made for the tourist trade and I continue, unsuccessfully, to search flea markets and other venues for another example. It is possible that there is a documented process in the literature. It may take someone who's skilled in reading Japanese to research it. I would like to experiment but the large number of potential salts to be tried is daunting, to say nothing of acquiring small quantities of each.

William Crane
Graphics designer - Cockeysville, Maryland, USA

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