Surface Treatments

Metals are treated to change their surface properties for: decoration and reflectivity, improved hardness and wear resistance, corrosion prevention and as a base to improve adhesion of other treatments such as dry films, paints, or powder coatings.

Protective Coatings

Protective coatings are coverings that are intended to provide a layer of protection from anything that could damage the function or integrity of a component or part. In all instances, the main function of protective coatings is to allow a part to remain in good condition for a prolonged period of time. Protective coatings make it possible for many parts to last longer than would be possible if no coating was applied.


Electroless plating is metal deposition by a controlled chemical reaction. In contrast to an electroplating solution, electroless solutions (e.g. Electroless Nickel) require no external source of current to plate. The process utilizes a chemical reducing agent incorporated into the solution and provides a continuous build-up of deposit, since the metal being plated is itself a catalyst for the plating reaction. This process is also known as autocatalytic plating.

Electroplating is the application of a metal coating to a metallic or other conducting surface by an electrochemical process. The article to be plated becomes the cathode (negative electrode) in an electrolysis cell through which a direct electric current is passed. Articles are electroplated to (i) alter their appearance; (ii) to provide a protective coating; (iii) to give the article special surface properties; (iv) to give the article engineering or mechanical properties.

Other Coatings

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