N55: King of the Permanent NdFeB Magnet

N55: King of the Permanent NdFeB Magnet The theoretical (BH)max value of N55 NdFeB magnet is 512kJ/m3(64MGOe), and most of magnet manufacturer can make N52 magnet now. The (BH)max of N52 already achieved 90% of theoretical limit. The question in the mind of many users – is there any grade stronger than N52 magnet? N55 [...]