Group: Saxonia
Catalog excerpts
umicoreElectroplatingRUTHUNA® 479 BLACK RUTHENIUM ELECTROLYTE For Black Decorative Coatings - Ideal as a Perfect Final Finish 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. Applications • Accessories • Bathroom fittings • Spectacle frames • Jewellery • Writing implements • Watches • Car interiors • Shop furnishings Advantages • For perfect decorative dark to black final finishes • Degree of blackening adjustable • Good colour constancy • Strongly acidic electrolyte with long lifetime • Simple bath maintenance • Good to very good abrasion resistance • Suitable for rack and
Open the catalog to page 1RUTHUNA® 479 BLACKRUTHENIUM ELECTROLYTETECHNICAL SPECIFICATIONSElectrolyte characteristicsCoating characteristics Electrolyte type Strongly acidic Coating Black ruthenium Metal content Influence of Blackening Agent Depending of blackening degree on deposition speed and desposition rate of the amount of Blackening Agent. Amount Blackening Agent [ml] —Dependence of degree of blackening on amount of blackening agent used —Dependence of deposition speed (at 1,5 A/dm2) of blackening agent used Umicore Galvanotechnik GmbH Klarenbergstrasse 53-79 73525 Schwaebisch Gmuend (Germany) Technical...
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