Synthesis of magnetic materials industry, though started late, but the development is very rapid in recent years, its production and demand are increasing, production technologies are maturing.
Magnetic synthetic material is divided into two kinds of structured and complex. Wherein the composite type magnetic synthetic material is divided into two categories, thermoplastic and thermosetting. Thermoplastic magnetic synthetic material processing methods can be divided according to two categories as chlorinated polyethylene or nitrile rubber as the base material, the use of rubber magnetic rubber molding processing; another nylon, polyphenylene sulfide substrate for the injection magnet. Composite magnetic material filled with ferrite powder as much, such as BaO? 6Fe2O3, SrO? 6FeO, etc., in addition to another type of magnetic material, such as SmCo5, Nd-FeB and samarium iron nitrogen species. The first two have been at home and abroad of industrial production, Sm-Fe-N class has achieved industrial production in Japan, in China is still in the research and development stage.