Electroless Nickel (EN) plating is a solution used to increase the hardness and corrosion resistance of metal surfaces. This type of nickel plating is utilized in conjunction with one of three many other materials (boron, phosphorous or Teflon).

EN-Boron has a quite high melting point and is highly wear-resistant. EN-Boron isn't as corrosion resistant as other kinds of EN.

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EN-Phosphorus is the most common and versatile with the nickel solutions. Varying the phosphorus content changes the attributes of the plating solution. A higher level of phosphorus helps to make the plating non-magnetic and intensely corrosion resistant (particularly with acids). Lower levels of phosphorus increase the risk for plating harder, but slightly less corrosion-resistant. This flexibility is why EN-Phosphorus is the most everyday sort of EN plating utilized.


EN-Teflon is really a special non-stick plating solution. The Teflon is used in micro beads within the nickel plating. The micro beads increase the risk for plating very friction resistant. This plating type has good wear-resistance, but doesn't need advanced corrosion protection capabilities.

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EN plating is often used to battle corrosion. EN is chosen over other metal finishes (galvanizing, zinc plating, powder coating, etc.) as it serves as an ultra-hard barrier to corrosion. A distinctive feature to electroless plating is its deposit uniformity. Because this process doesn't need electricity, the particles hang on to the outer lining evenly and don't gravitate to magnetic poles.

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Numerous industries require electroless nickel plating, including the automotive industry, aerospace, molds, dies, chemical, electronics, etc. The primary use for EN in each of those industries is its natural corrosion protection.


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