... Zn,Ni, etc 3.IS9001/Rohs standard Neodymium magnet for wind turbine Disc:Max:diameter 202mm*45mm thickness---Min:diameter 1 ... Sintered Ndfeb is the strongest permanent magnets in the world up to date,It has excellent properties of high remanence,coercivity ... : 150c)N28UH, N30UH, N33UH, N35UH, N38UH(Max. Operational temperature: Up to 180c)N28EH, N30EH, N33EH, N35EH(Max. Operational temperature ...