... tempt Coefficient , b): Coating: NICUNI and black epoxy. c): Used in industrial neodymium magnet,ndfeb magnetic material,magnet.a): Size Φ3 ... Pr-nd material to make the property stable, It is wildly used in Motors, Wind energy, car, speakers, earphone , etc.e):Maximum ... : ≤1mg/cm2g):Low temperature co-efficient: ≤-0.45°Ch):Used in motors, auto parts and wind energyI):Production capacity:NdFeB magnet ...