Direct plating with excellent adhesion is possible on stainless steel and nickel.
AURUNA 311 allows for direct, highly adhesive gold plating on stainless steel for functional parts. Due to the very high activation effect of the plating bath, it is suitable for difficult-to-plate materials that are hard to activate, particularly chromium-nickel-molybdenum steel or nickel alloys. It has few pinholes, high ductility, and excellent corrosion resistance. It is suitable for both strike plating and thick plating.
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basic information
【Features】 ■ Strongly acidic gold (cobalt) plating bath that can be directly plated on stainless steel and nickel ■ Halogen-free with high activity effect ■ Crack-free plating film with few pinholes and good ductility ■ Compatible with strike plating and thick gold plating ■ Excellent uniform electroplating properties ■ RoHS compliant plating film ■ Cobalt-free bath also available ■ Compatible with rack plating, barrel plating, and continuous plating equipment
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Applications/Examples of results
- Electric contacts - Stainless steel contacts - Stainless steel springs
Detailed information
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Since the coatings are ductile, low in pores and protect against corrosion, The gold electrolyte is suitable in the decorative field. We also offers strongly acidic gold(-iron) electrolyte instead of cobalt.
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Company information
Umicore Japan is the Japanese subsidiary of Umicore S.A., based in Brussels, Belgium. We operate in three areas: catalysts, energy, and recycling, contributing to society by supplying industrial materials that enhance the quality of people's lives. Umicore Electroplating is a world-leading company that provides precious metal plating chemicals, precious metal salts, and suitable plating technologies. We also offer high-performance electrodes coated with precious metals, produced using our unique methods, to the electroplating industry and water treatment sector. Umicore's sales network and service network, spanning over 60 countries, promise to deliver consistently high service to our customers anywhere in the world.
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