... 1.Product name : Sintered NDFEB MAGNET 2.Material grade required :N35 N38 N40 N 45 N48 N50 3.Shape :Ring ,Block ,etc We ... transitive metallic elements to make it strong.1. General features of the NdFeB magnet:NdFeB Magnet Grades: N33, N35, N38, N40, N42, N48, N50, ... platings and coatings Shape: arc, tile, square, cylinder and magnetic ring with various sizes High magnetic performance (Br: 11,000 to ...