NdFeB magnet is mainly made of Neodymium,Iron and Boron,with excellent magnetic property,abundant raw material and reasonable prices,NdFeB Magnet can be used as an ideal magnet in mini-motor,Permanent magnetic resonance,sound device magnetic suspension system,magnetic transmission machine and iatrical apparatus and etc.For NdFeB,its surface is usually treatd with some special methods.The surface treatment method include Zine,Nickel,Tin,Silver,Gold plating,Phosphor and Spray Epoxy Resin etc.
We are China NdFeB magnets manufacturer offer best NdFeB magnets OEM, ODM,service.
Block permanet Sintered NdFeB magnetAvailable Coating Of Sintered NdFeB Magnets Surface Coating Thickness(Microns)of coating Color Resistance Salt spray Test Standard (hours) Pressure Coating Test Standard (hours) Passivation 1--2μm Silver Grey Temporary Protection Not available Not available Nickel Ni+Ni 10--20μm Bright Silver Excellent against Humidity 24 24 Ni+Cu+Ni Zinc ZN 3--8μm Bright Blue Good Against Salt Spray 24 Not available C-Zn shining Color Excellent Against Salt Spray 48 Not available CR3+Zinc ZN 3--8μm Bright Blue Good Against Salt Spray 24 Not available C-Zn shining Color Excellent Against Salt Spray 48 Not available Tin Ni+Cu+Sn 10--25μm Silver Superior Against Humidity 48 Not available Gold Ni+Cu+Au 2--10μm Gold Superior Against Humidity Not available Not available Ag Ni+Ag 2--10μm Silver Superior Against Humidity Not available Not available Epoxy Epoxy 10--25μm Black,Grey Excellent Against Humidity & Salt Spray 48 Not available Ni+Cu+Epoxy Not available Zn+Epoxy Not available
Manufacturing Process:
Different magnetizing direction as follows:
Manufacturing Equipment:
