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>>HOME >> NdFeB Magnet >> Sintered NdFeB Magnet >> Coating

  Coating
  The sintered neodymium-iron-boron permanent magnet is a chemically active powder metallurgical material, which is characteristic of being hard and brittle easy oxidization and erosion. Based on it’s features the most effective way is apply surface or coating As on the surface of sintered NdFB magnetic material, empty holes or oxidization phase occurred by matching may exist .The surface treatment should undergo pre-treatment procedure and have appropriate plating.
 

Nickel coating Black Epoxy coating Nickel Cuprum coating Blue White Zinc coating
Nickel coating
Black Epoxy coating
Nickel Cuprum coating
Blue White Zinc coating

White Zinc coating Silver coating Colour Zinc coating  
White Zinc coating
Silver coating
Colour Zinc coating
 

Available Coatings:

Su rface Coating Thickness (Microns) Color Resistance
Passivation

 

1 Silver Grey Temporary Protection
Nickel Ni+Ni

10-20 Bright Silver> Excellent against Humidity
Ni+Cu+Ni

Zinc Zn 8-20 Bright Blue Good Against Salt Spray
C-Zn Shinny Color Excellent Against Salt Spray
Tin Ni+Cu+Sn 15-20 Silver Superior Against Humidity
Gold Ni+Cu+Au 10-20 Gold Superior Against Humidity
Copper Ni+Cu 10-20 Gold Temporary Protection
Epoxy Epoxy

15-25 Black, Red, Grey Excellent Against Humidity
& Salt Spray
Ni+Cu+Epoxy

Zn+Epoxy

Chemical

Ni

10-20

Silver Grey

Excellent Against Humidity

Parylene

Parylene

5-20

Grey

Excellent Against Humidity, Salt Spray.Superior Against Solvents, Gases, Fungi and Bacteria.FDA Approved.


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