... for many years.We have confidence in providing your high quality products.Features:1. Material:Sintered Neodymium-Iron-Boron.2. Temperature: ... : Ni, Zn, NiCuNi,gold, copper, epoxy and so on.7. Application: Motors, rotors, wind turbines,wind generators, loudspeakers, magnetic ... length and diameter, coating and environmental factors.3.Density:7.4~7.65g/cm³,Reversible Temperature coefficient αBr-0.09~- ...