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Sintered NdFeB magnet is more superior in magnetic properties Br, Hci, Bhmax than bonded NdFeB magnet. But this magterial is easy-to-corrosion, so coating or plating is a must. Nickel, Zinc, Ni-Cu-Ni, Grey/Black Exposy are the most common used coating. Some uses silver, gold or whatever complies with customers’ needs. Usually the magnetization direction of sintered NdFeB magnet can be divided into: axial/ thickness/ length direction magnetized and diameter direction magnetized subject to the actual requirements.
Sintered NdFeB Magnet