Neodymium Magnetic Block

Available Coatings of NdFeB Available Coatings (Plating) Surface Coating Thickness Color Resistance Passivation 1 Silver Grey Temporary Protection Nickel NiCuNi 10-20 Bright Silver Excellent Against Humidity Zinc Zn/3CrZn 8-20 Bright Blue Good Against Salt Spray Tin NiCuSn 15-20 Shinny Color Excellent Against Humidity Gold NiCuNiAu 10-20 Gold Superior Against Humidity Silver NiCuNiAg 10-20 Silver Superior Against Humidity Copper NiCu 10-20 Gold Temporary Protection Epoxy