Nickel (Ni-Cu-Ni)
This coating is the most commonly used on the surface of Neodymium or Rare Earth magnets. 3 layers in total, of nickel then copper and a final layer of nickel encase the Magnetic material to create a smooth, shiny finish and give conditional protection to the alloy compound inside. Nickel coatings are suitable for indoor use and for applications requiring low friction or good response to shear forces. Nickel coatings do not have long term resistance to moisture exposure or marine environments.
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