... 4.Good corrosion resistance sintered or bonded NdFeb magnet features:1) NdFeb magnet has superior magnetic properties than other magnets2) Higher ... earth magnet7) Irreversible loss at high temperature8) Types: N30, N33, N35, N38, N40, N42, N30M, N33M, N35M, N38M, N40M, N27H, ... , N27SH, N30SH, N33SH, N35SH, N25UH, N28UH, N30UH, N35SH, N38, N45, N48, and N509) High energy ranging from 8MGOe to 48MGOe ...