Nickel vs Electroless Nickel Coating
Short answer
Both put a layer of nickel on the magnet, but in different ways. Standard nickel is electroplated using an electric current, usually as a three-layer nickel-copper-nickel stack. Electroless nickel is deposited by a chemical bath with no current, giving a more uniform layer with better corrosion and chemical resistance, at a higher cost.
| Nickel (electroplated) | Electroless nickel | |
|---|---|---|
| How it’s applied | Electric current in a plating bath | Chemical reaction in a bath, no current |
| Uniformity | Thicker on edges and corners | Even thickness everywhere, including holes and recesses |
| Corrosion and chemical resistance | Good indoors | Better |
| Cost | Lower | Higher |
| Best for | Indoor, dry use | Humid, outdoor or chemical environments |
Which Should I Choose?
Standard nickel is right for most indoor projects. For outdoor, humid or chemical exposure, consider electroless nickel on a custom order, or choose an in-stock Epoxy or Plastic Coated magnet.