... . The NdFeB segments are use to Sensor,Motor,Loudspeaker etc. Neodymium-Iron-Boron Magnet:1) Superior magnetic properties than other magnets2 ... .7) Irreversible loss at high temprature.8) Types:N30,N33,N35,N38,N40,N42,N30M,N35M,N38M,N40M,N27H,N30H,N33H ... ,N30SH,N33SH,N35SH,N25UH,N28UH,N30UH,N35SH,N38,N45,N48,N50 and N529) High energy ranging from 8MGOe to 48MGOe with ...