block neodymium magnets

block neodymium magnets are Sumitomo Special Metals Corporation Sagawa, who live invented in 1982, known by its chemical formula, etc. which is mainly composed of neodymium, iron and boron chemical element constituted,NdFeB magnets can be divided into two kinds of sintered NdFeB and Bonded NdFeB. Injection molding is actually bonded, and sintering is heated to high temperatures by vacuum molding! super neodymium magnets