... sintered , Material Grade: N33, N35, N38, N40, N42, N45, N48, 33H, 35H, 38H, 40H, 42H,33SH, 35SH, 38SH,40SThe coating of NdFeB magnet ... to 230 degree C Material: NdFeB Magnet, Neodymium Magnet, SmCo Magnet, Ferrite Magnet, Alnico Magnet, Permanent Magnet, Rare-earth MagnetShape: Block, ... , Magnetic Door catcher, etc. Speaker parts (with ring magnet).Sensors part.Magnetic coupling (with segment ...