Uyemura Offers Variety of Black Surface Finishing Chemistries

According to the company, both BlackNight and NickStar finishes are suited for automotive interiors, sporting goods, hardware, plumbing and architectural use.

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Uyemura offers several black surface finishing technologies including Ruthuna 479, Rhoduna 470, BlackNight, and Nickstar. Ruthuna 479 black ruthenium is designed as a nickel-free, hypoallergenic alternative to gun metal. According to the company, deposits are conductive, feature high color consistency, retain brightness, and deposit as dark charcoal or deep black, depending on process parameters.

Rhoduna 470 is a black rhodium electrolyte designed to offer enhanced abrasion resistance and crack-free deposits up to 3 µm. Uyemura features BlackNight, producing a dark black surface with exceptional hardness and high density topography. 

The company also features Nickstar, a decorative black nickel plating finish that deposits a thin, uniform overcoat of black nickel-zinc alloy at up to 2 µm. According to the company, both BlackNight and NickStar finishes are suited for automotive interiors, sporting goods, hardware, plumbing and architectural use.

 

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On display at booth 331.

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