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Nickel / Nickel Alloy Plating

Nickel can be electrolytically plated in numerous ways depending on the mechanical, physical and decorative properties required for the application.  The most common nickel plating systems dissolve nickel metal anodes into a solution comprised of one or more of the following: nickel sulfate, nickel chloride, boric acid and/or nickel sulfamate. 

Decorative nickel plating solutions use proprietary additives that will improve brightness, leveling and ductility of the deposit.  Functionally, Wood’s nickel and Sulfamate nickel plating systems are used.  A Wood’s nickel strike bath is made up using nickel chloride and hydrochloric acid, and is used primarily for plating over stainless steel or other difficult to activate alloys.  Sulfamate nickel provides a highly ductile low stress deposit that can be used to build a barrier layer under Copper, Electroless Nickel, Tin and Hard Chrome.     

Tin-Nickel plated deposits, like Colstar®, provide unique functional properties with an attractive dark nickel appearance.  

If you are looking for black nickel, a single salt Nickel-Zinc alloy plating process called Eclipse® will fulfill your requirements.  

Cleaning prior to nickel plating is critical, so knowing the alloy and the types of soils and oils on the surface will help to determine the most effective cleaning cycle.  Bright decorative nickel is often plated over buffed copper, brass and aluminum castings.  Buffing compounds can be difficult to remove in aqueous cleaners because the compound is ground into the metal surface and caked into recessed areas. JSA has developed a highly effective and consistent process for buffing compound removal and a JSA technical sales engineer can audit your process and recommend and test products to help eliminate rejects.  

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