... than SmCo type rare earth magnet.7) Irreversible loss at high temprature.8) Types:N30,N33,N35,N38,N40,N42,N30M ... ,N25UH,N28UH,N30UH,N35SH,N38,N45,N48,N50 and N529) High energy ranging from 8MGOe to 48MGOe with wondrerful coercive force ... ,coating or plating is recommended.13) Advantages: a) High energy b) Very high Hc and Hci output c) More economical than SmCo ...