Its a high performance , low temperature coefficient permanent magnet with its high working temperature350 degree centigrade . when working above 180 degree centigrade , its maximum energy product bh and steady temperature are superior than ndfeb magnetic materials 是由釤鈷和其它金屬稀土材料經(jīng)配比,溶煉成合金,經(jīng)粉碎壓型燒結后制成的一種磁性材料,具有高磁能積極低的溫度系數(shù),最高工作溫度可達