HSMAG Magnets has been supplying high quality Neodymium Magnets to customers for about 20 years.

Super Magnet

Made of neodymium, the most powerful magnet material in the world

Great for projects that require extreme strength in a small size

Permanent magnetism guaranteed

Not for children

Neodymium magnet is an iron based permanent magnet, because of this, it is easy to be rusted or oxidation. To avoid such problems, the magnet coating, electrical plating or suitable surface treatment are needed. Please choose a kind of surface treatment from the following table:

Available Coatings for Magnets 

Surface 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 

Silver Ni+Cu+Ag 10-20 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 

Parylene Parylene 5-20 Grey Excellent Against Humidity,Salt Spray,Superior Against Solvents,Gases, Fungi and Bacteria,FDA Approved 

Chemical Ni 10-20 Silver Grey Excellent Against Humidity