Neodymium Magnets Coating Info

Coating Thickness Color Characteristic
Nickel 10-12 um Bright/Semi-bright Excellent resistance to humid atmosphere
Nickel Copper Nickel 10-12 um Bright/Semi-bright Superior resistance to humid atmosphere
Nickel Copper Semi-bright Nickel 10-12 um Bright Most commonly used coating, price beneficial, excellent against humidity
Nickel Copper Epoxy About 25 um Black Superior climatic and salt spray resistance
Nickel Copper Nickel Golden 12-15 um Golden The gold layer is very thin with excellent wear resistance, high hardness, corrosion resistance, and high conductivity.
Nickel Copper Nickel Stannum 12-18 um Silver semi-bright Superior resistance to humid atmosphere
Nickel Copper Zinc About 15 um Silver semi-bright Excellent resistance to salt spray
Nickel Stannum 12-18 um Silver semi-bright Superior resistance to humid atmosphere
Black Nickel 10-12 um Black Provide corrosion resistance and maintain electrical conductivity while reducing reflectivity on the surface
Bright Nickel 10-12 um Bright Superior resistance to humid atmosphere
Epoxy About 15 um Black Superior climatic and salt spray resistance
Zinc 4-8 um Blue white-shining Good resistance to salt spray
Dark Zinc 4-8 um Black Offer additional corrosion protection
Color Zinc 4-8 um Color shining Excellent resistance to salt spray
Trivalent Zinc 4-8 um White-blue Good resistance to salt spray
Passivation About 3 um Silver grey/black Offer corrosion protection and improve friction properties of sliding components