Everything you Need to Know about Electroless Nickel Plating

The Electroless Nickel Plating is a kind of auto catalytic chemical process that is used to deposit some layers of nickel boron alloy of some nickel phosphorus in a solid work piece, like a plastic or metal. The process would rely mainly on the presence of a reducing agent, such as the hydrated sodium hypophosphite, wherein it reacts with the metal ions in order to deposit metal. The alloys that have different percentage of phosphorus that ranges from two to five and up to eleven to fourteen are possible for this technique. Furthermore, the metallurgical properties of the alloys will depend mainly on the percentage of the phosphorus.


Basically, the Electroless type of nickel plating is that kind of auto catalytic technique that will require depositing some coatings of nickel towards a substrate. Unlike other Large Nickel Plating techniques such as the electroplating, it will not be necessary to pass the electric current through the solution in order to come up with a deposit. This technique of plating is done in order to prevent corrosion and to minimize the wear and tear. Various Electroless Nickel Plating techniques can also be used in manufacturing composite coating by suspending the power within the bath. The Electroless kind of nickel plating has a lot of advantages over the usual electroplating. First of all, it is free from flux density as well as power supplier issues. Next, it provides a smooth deposit regardless of the type of work piece geometry. By using proper pre-plate catalyst, the Electroless Nickel Plating can possibly deposit even on a surface that is conductive.

Pre Treatment

Before the nickel plating is done, the material will need to be plated first and should be cleaned by various chemicals. This state is called the pre treatment process. Failure of removing those unwanted soils from the surface of the parts could lead to poor plating, especially if it is a Large Nickel Plating that requires plating a huge size of nickel. Each of the pre treatment chemical should be poured with water and the rinsing must take place two to three times during the entire process. This is done in order to remove any chemicals that might adhere towards the surface. The process of de greasing will then follow and on this process, the oil from the surfaces will be removed. Acid cleaning is also done in order to remove scaling.


The Electroless Nickel Plating comes with various advantages. But there are also some disadvantages that come with it. First, the lifespan of the chemicals will be limited. Another is that the water treatment cost is expensive all because of the speedy chemical renewal process. Also, each type of Large Nickel Plating technique come with advantages and disadvantages depending on the manner of application as well as the type of nickel alloy that was used. For example, high phosphorus nickel plating is known for its high corrosion resistance and therefore, it is ideal for industry standards which require protection from highly corrosive acidic environment just like the oil drilling as well as coal mining.