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Electroless Nickel Plating

Electroless Nickel Plating

Electroless nickel plating is an auto-catalytic reaction used to deposit a coating of nickel on a substrate. Unlike electroplating, it is not necessary to pass an electric current through the solution to form a deposit. This plating technique is to prevent corrosion and wear. EN techniques can also be used to manufacture composite coatings by suspending powder in the bath. Electroless nickel plating has several advantages versus electroplating. Free from flux-density and power supply issues, it provides an even deposit regardless of workpiece geometry, and with the proper pre-plate catalyst, can deposit on non-conductive surfaces.

Type of Electroless Nickel Plating

❖ Low Phosphorous
❖ Mid Phosphorous
❖ High Phosphorous
❖ Electroless Nickel with PTFE
❖ Electroless Nickel with Boron

Advantages include

❖ Does not use electrical power.
❖ Even coating on parts surface can be achieved.
❖ No sophisticated jigs or racks are required.
❖ There is flexibility in plating volume and thickness.
❖ The process can plate recesses and blind holes with stable thickness.
❖ Chemical replenishment can be monitored automatically.
❖ Complex filtration method is not required.
❖ Matte, semi-bright or bright finishes can be obtained.

Areas Of applications

❖ Industrial Fasteners
❖ Heavy Engineering
❖ High Corrosion resistance Applications
❖ Marine Structures
❖ Ship Building
❖ Railway Structures
❖ Electrical Transmission
❖ Infrastructure (Bridges and Structures)
❖ Oil & Gas Applications
❖ Process Piping
❖ Pipe Fitting
❖ Flanges
❖ Industrial Valves

Electroless Nickel Plating