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 是由钐钴和其它金属稀土材料经配比,溶炼成合金,经粉碎压型烧结后制成的一种磁性材料,具有高磁能积极低的温度系数,最高工作温度可达