Why Coating Matters: Protecting Neodymium Magnets in Harsh Environments

black epoxy magnet

Introduction: Neodymium magnets are highly susceptible to oxidation. Without proper coating, a high-performance magnet can turn into dust in humid or corrosive environments. Key Insights:

  • NiCuNi (Nickel-Copper-Nickel): The standard. Excellent for indoor and general industrial use.
  • Epoxy Coating: Best for moisture and salt-spray resistance. Often used in subsea and outdoor sensors.
  • Everlube/Teflon: Provides superior chemical resistance and low friction for moving parts. CTA: We offer custom coating solutions for salt-spray tests up to 96 hours.

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