magnet motor, low weight loss material. a): Grade can be N52, ... motor. c): coating Nicuni 72 hours. NdFeB magnet, permanent magnet, strong magnet, rare earth magnet.Our NdFeB magnet.Coating: Ni, Zn, gold, sliver, epoxy, passivated ... /cm2Low-temperature co-efficient: ≤-0.45°CFlexibleUsed in motors, auto parts and wind energyProduction capacity: NdFeB magnet: 2160T/yearHard ferrite magnet: 6000T/year ...