Neodyium permanent Magnetic Material: Neodymium(ndfeb) Coating:Nickel shape:block,segment size:according to your need Neodyium Magnetic Material: ... consisitency of surface magnetic field and magnetic flux can be controlled with +/-1% 4)High Anti-corrosion:the ... mg/cm2 Neodyium Magnetic applications: loudspeakers,motor assemblies,windmill,Home appliance,acousics,communication equipment,toy,car, ...