... Neodymium-Iron-Boron 2.Certification: ISO9001:2008 and ISO/TS16949 uh grade sintered ndfeb magnet material :1) Material: Sintered Neodymium-Iron ... Celsuis or 380 curie temperature; 3) Grade: N35 to N52, UH, EH , M, H, SH, VH series.4) Shape: ring, tubes ... )≥835(≥10.5)≥2400(≥30)248-272(31-34)200 uh grade sintered ndfeb magnet material