Equipment and Supplies

Equipment and Supplies > Precious Metals and Alloys > Ruthenium > Others
RUTHUNA® 479 Black
RUTHUNA® 479 Black is the perfect final finish for dark to black surfaces for decorative applications. The black ruthenium electrolyte is strongly acidic and has a long lifetime. It is easy to operate and primarily used for rack plating.

Depending on the degree of blackening, the abrasion resistance of the layers is good to very good. Applying a strike gold layer as an undercoat is strongly recommended. If palladium-nickel or palladium are used as undercoats, strike gold plating will partly not be necessary.

RUTHUNA® 479 Black is suitable for many decorative applications, for instance in the jewellery, bathroom fittings, spectacle frame and writing utensils industries.

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Umicore Galvanotechnik GmbH

We work worldwide and are among the leading suppliers of precious metal electrolytes and special processes for electroplating. We develop, manufacture and sell on a global scale precious metal and base metal electrolytes, precious metal components, dimensional stabile anodes and platinum coatings.

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