Effects of High Humidity on Neodymium Magnets. Explains corrosion, coating failure, and magnetic loss.
When neodymium magnets are placed in high humidity environments, they face a significant risk of corrosion. Even with a nickel or epoxy coating, prolonged exposure to moisture can eventually break down these layers. Once the coating is compromised, the inner magnet material reacts with water and air, resulting in oxidation and the formation of rust. This process not only reduces the magnet’s appearance but also weakens its magnetic force and structural integrity. To prevent these issues, always keep neodymium magnets dry and consider using extra waterproof coatings for harsh environments. Proper handling and storage are essential for long-term performance.
