... sintered ndfeb magnet 1.Grade:N30~N52,(M,H,SH,UH,EH) 2.Plating:Ni,Zn,Au,Ag,Epoxy,Passivated,etc sintered ndfeb permanent magnet ... Product Name:NdFeB Magnets,Sintered Rare Earth Magnets,Neodymium-Iron-Boron ... ), high coercivity(Hc), can be easily formed into various shapes and sizes. Be reactive with moisture and oxygen,usualy supplied ...