Electroless Nickel Plating Service

Electroless nickel plating is an electrochemical process used to deposit a uniform layer of nickel onto a substrate without the use of an external electric current.

Advantages of Electroless Nickel Plating

Electroless nickel coatings can achieve enhanced corrosion resistance through passivation, via chemical treatments or oxidation processes.

Key Features

Wear and Tear Resistance

Great Ductility and Malleability

Increased Surface Hardness

Great Solderability

Electroless Nickel Plating Surface Techniques

The following table shows common electroless nickel plating finishes. If you have any other alloy requirements, please contact us.

Applicable Materials

Colors

Texture

Thickness

All metal materials

–

Smooth

1 – 40 μm

Electroless Nickel Plating FAQs

What is electroless nickel plating?

Electroless nickel plating is a chemical plating process that forms a nickel alloy layer on the metal surface. Different from traditional electroplating, during the electroless nickel plating process, the nickel alloy layer is formed through a chemical reaction in the solution without the need for external electrical current.
What are the characteristics of electroless nickel plating?

Electroless nickel plating provides a uniform, corrosion-resistant nickel alloy protective layer and can control its hardness and friction characteristics. It is widely used to improve the corrosion resistance, wear resistance, and appearance of metal parts, especially in electronic components, automotive parts, and mechanical components.
What are the main steps of electroless nickel plating?

- Cleaning and pretreatment: The object to be plated with nickel needs thorough cleaning first to remove surface oils, dirt, and other impurities. Pretreatment ensures that the surface is clean to facilitate uniform nickel deposition.

- Activation: The surface is exposed to a chemically active solution to provide deposition sites for nickel.

- Plating: The object is immersed in an electroless nickel plating solution containing nickel salts and reducing agents. In this solution, nickel salts are reduced to solid nickel, forming a uniform nickel alloy deposition on the object's surface.

- Rinsing and post-treatment: The finished product is rinsed to remove excess chemicals, then undergoes post-treatments such as polishing, cleaning, and corrosion resistance treatment.
What are the advantages of electroplated nickel?

Electroplated nickel provides a uniform, dense, corrosion-resistant nickel alloy protective layer with excellent wear resistance and chemical stability. It can also achieve uniform deposition on objects with complex shapes.
How is the corrosion resistance of electroplated nickel?

Electroplated nickel provides excellent corrosion resistance, although there is certain trade-off between hardness and corrosion resistance. High-phosphorus electroplated nickel usually offers better corrosion resistance.
How is the thickness of electroplated nickel controlled?

The thickness of electroplated nickel is typically controlled by the concentration of nickel salts and the deposition time in the plating solution. Increasing the deposition time and concentration will increase the thickness of the coating.