Ndfeb magnets, the most powerful permanent magnets available today, possess high energy up to 52mgoe and wonderful coercive force. 1. Application: motors, windmill, acoustics, magnetic separators, auto, vcm, mri, mobile accessories, lifting, sensors and loudspeaker. 2. Grade available: n35-n52, n33m-n50m, n30h-n48h, n30sh-n45sh, n28uh-n40uh, n328eh-n35eh. 3. Coating available: znic, nickel, ni-cu-ni, epoxy, cr3+zn, ni+ag, ni+au, ni+sn. 4. Raw material: neodymium, iron, boron, rare-earth material. 5. Maximum working temperature: 80 6. Density: 7.5 to 7.6g/cmm3 . 7. Oem various sizes of ndfeb magnet segement. If you have any question, please feel free to contact us. Package available for air and sea delivery.