Industrial Magnet Rare Earth Magnet Composite Ring Magent Permanet Description Neodymium rod magnets is one basic shape of Rare earth magnets and perment magnets its usually made ... ;7 . Magnets AH-(30AH, 33AH) Max working Tempt 230° C . Magnet Coatings Zn, Ni, Ni-Cu-Ni, Epoxy, CR3+ZN, NI ...