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Neodymium-iron-boron Ndfeb Rare Earth Permanent Magnets

Posted at: Offers to Sell and Export | Posted on: Wed 20 Aug, 2008 2:32 am | Product Category: Neodymium Nd [10]
neodymium iron boron ndfeb rare earth permanent magnets
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Neodymium-Iron-Boron (NdFeB) rare earth permanent magnets

Known as the Third Generation of Rare Earth

magnets, Neodymium-Iron-Boron (NdFeB) magnets are the most powerful and advanced commercial permanent magnet today. Since made from Neodymium, one of the most plentiful rare earth elements, and inexpensive iron, NdFeB magnets offer the best value in cost and performance. NdFeB magnets are available in both sintered and bonded forms. Sintered NdFeB offers the highest magnetic properties (33MGOs to 51MGOe) while boned NdFeB offers lower energy. Although boned magnets do not possess magnetic properties as advanced as those of sintered magnets, they can be made in shapes and sizes that are difficult for sintering to achieve.


1. Moderate temperature stability The working stability is under 80C (180F) for low Hcj NdFeB magnets and above 200C (400F) for high Hcj NdFeB magnets.

2. Excellent energy The highest energy product could reach up to 51MGOe.

3. Extremely resistance to demagnetization with Hci The intrinsic coercive force is over 30KOe.

4. Surface treatment needed Because NdFeB is easy to oxidize and corrode, coating or plating must be applied to the surface to protect magnets from oxidization and corrosion.

Common applications

DC and servo motors, Linear actuators, Magnetic separators, Speakers, Microphone assemblies, Sensors, VCM (voice coil motor), MRI

For more details, please contact us at victor.co-star@hotmail.com or visit our website www.co-star.com.cn

Company Contact:

No member photo
Contact Name: Victor Zhou
Company Name: Ningbo Co-star Material Hi-tech Co., Ltd
Email: Email
Tel: 0086-0139-89328829 or 86-574-88012966
Fax: 0086-574-88012966
Street Address: Xinzhuang, Gaoqiao,
Yinzhou, Ningbo, China
Website: http://www.co-star.com.cn
Member name: Costar
Country: China-CN China
Member Since: 19 August 2008
Total Leads: 3 Costar Import Export Business Leads
Business focus: Samarium-cobalt (smco), Neodymium-iron-boron (ndfeb), Aluminum-Nickel-Cobalt (alnico), Rare Earth Permanent Magnet
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Product Category: Neodymium Nd [10]

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