The third generation of rare earth permanent magnet Ndfeb is the most powerful permanent magnet of the present generation. Its potential magnetism is so high that it can lift a thousand times its own weight. The mechanical properties of NdFeb magnets are better than other magnets. It is easier to cut, drill holes and process complex shapes. Its disadvantage is that the temperature performance is not good, the use of magnetic loss at high temperature, the highest operating temperature is low. As a general rule, be80About Celsius, after special treatment, its highest operating temperature can reach200Degrees Celsius. Due to the material contains a large number of neodymium and iron, so easy to rust is also a major weakness of it. So the ndfeb magnets must be surface coating treatment. Can be electroplated nickel(Ni).zinc(zinc).gold(Au).chromium(Cr).Epoxy resin(Epoxy)And so on.