... the expected environment reasonable price and the best sevice Magnets sintered , Material Grade: N33, N35, N38, N40, N42, N45, N48, 33H ... :up to 230 degree C Material: NdFeB Magnet, Neodymium Magnet, SmCo Magnet, Ferrite Magnet, Alnico Magnet, Permanent Magnet, Rare-earth MagnetShape ...