sintered neodymium magnet 1.Grade:N30~N52,(M,H,SH,UH,EH) 2.Plating:Ni,Zn,Au,Ag,Epoxy,Passivated,etc sintered neodymium magnetProduct Name ... reactive with moisture and oxygen,usualy supplied by plating (Nickel, Zinc, Passivatation, Epoxy coating, etc.).Applications:Sensors,motors,filter automobiles,magnetics holders ... ≥34≥270630-34239-271-0.105-0.5200 bonded permanent neodymium magnet