... ~N52,(M,H,SH,UH,EH) 2.Plating:Ni,Zn,Au,Ag,Epoxy,Passivated,etc sintered ndfeb magnetProduct Name:NdFeB Magnets ... and oxygen,usualy supplied by plating (Nickel, Zinc, Passivatation, Epoxy coating, etc.).Applications:Sensors,motors,filter automobiles,magnetics holders,loudspeakers,wind ... -34239-271-0.105-0.5200 sintered ndfeb magnet epoxy coating 50mm series