Material: NdFeB and other rare earth material Properties: N35, N38, N40, N42, N45 Suitable for speakers,Machine. Material: NdFeBProperty: N35Br: 1.18 to 1.23TBHc: 860kA/mJHc: 955kA/mBH max: 267 to 290kJ/m³Tolerance: all ±0.1mmCoating: NiMagnetization: magnetized in 12mmMaximum working temperature: 80°CCurie temperature: 310 to 340°C Magnet