... )Strong magnetic force ; 3)Max continuous working temperature Ring Nickel Zn Coating Neodymium Magnet 1. Materials:Neodymium-Iron-Boron;2. Grades ... . Shapes and sizes: according to customers' request;4. Coatings: Ni, Zn, gold, copper, epoxy, chemical, parylene and so on;.5. Applications ... >812>30>2388-0.11-0.51350-380200 Ring Nickel Zn Coating Neodymium Magnet