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countersink ring rare earth magnet

Sintered neodymium-iron-boron(NdFeB) permanent-magnet material was developed in 1983.
The major composition of NdFeB magnets is Nd2Fe14B.
Characteristics:
* Higher unit magnetic properties than other magnet
* Lower temperature coefficient of magnetic properties than ceramic but higher than Smco magnet
* It can be made into the complex shape magnet,
Quantity:
  • dunben

Escription:  Rare Earth Neodymium Magnet Countersunk Ring Magnet       

 

Material: Neodymium-Iron-Boron
Product Name: NdFeB Magnets,Sintered Rare Earth Magnets,Neodymium-Iron-Boron Magnets,Permanent Magnets

 

Features: The most powerful permanent magnet, offers a great return for cost & performance, have the highest field/surface strength(Br), high coercivity(Hc), can be easily formed into various shapes and sizes. Be reactive with moisture and oxygen,usualy supplied by plating (Nickel, Zinc, Passivatation, Epoxy coating, etc.).
Working Temperature: Grade Temperature
N28-N48 80ºC
N50-N55 60ºC
30M-52M 100ºC
28H-50H 120ºC
28SH-48SH 150ºC
28UH-42UH 180ºC
28EH-38EH 200ºC
28AH-33AH 200ºC
Magnet Shape:  Disc,Cylinder,Block,Ring,Countersunk,Segment,Trapezoid and Irregular shapes and more.Customized shapes are available





Applications: Sensors,motors,filter automobiles,magnetics holders,loudspeakers,wind generators, medical equipments, etc.

Surface Treatment Of NdFeB Magnet

Zn

Suitable for common environment

Double Nickle Layer

Suitable for dew atmosphere and can be stably used for a long time

NiCuNi

It has a stronger protection, adhesive ability and longer working life-span

Epoxy

Suitable for severe corrosive environment

Phosphorization Passivation

Suitable for the situation of short-term transportation and storage

Gold

Used for high level electronic equipments and decoration

 

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  Hang Zhou XiaoShan Dunben Magnet  Co., Ltd 
 1702, Unit 2, Building 1, Dacheng Mingzuo, Shiixn Road, Xiaoshan, Hangzhou, Zhejiang, China
  86-571-82750965 
  86-571-82751287
 wang@dbmagnet.com
 

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