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Magnet Materials

China Magnets Source Material Limited specializes in supply magnet materials: neodymium magnet, samarium cobalt magnet, AlNiCo magnet and ceramic (ferrite) magnet.

They are objects made from a material that is magnetized and creates its own persistent magnetic field and don’t require a continuous supply of electrical energy to maintain its magnetic field. So they are also called permanent magnets in contrast to electromagnets.

Meanwhile, NdFeB magnet and smco magnets also are rare earth magnets because of using alloys of rare earth elements. Rare earth magnets are strong, but expensive permanent magnets that use on many applications. Their greater strength allows smaller and lighter magnets to be used. Thus, the volume of end products is also smaller and smaller.

The Comparison of Different Magnet Material:

1. Neodymium Magnets, the Last development in the high energy magnets (33-56 MGOe) but not the final, very poor corrosion resistance (coating: NiCuNi, Epoxy, ABS, Parylene); there are range of operating temperatures 60°C to 220°C) which can sufficient for most application. If you need higher working temperature, smco magnet is a good choice.

2. Samarium Cobalt Magnets, higher energy product values (9.5-32 MGOe) and greater temperature stability (250-350℃) and excellent resistant to oxidation. Smco magnet is a good replacement of neodymium magnet when higher working temperature is required.

3. Alnico Magnets: high maximum operating temperature 550℃, very good corrosion resistance, but low Energy Product (BHmax) about 1-11.5MGOe. They can be made into different complex shapes; horseshoe and cylinder are classical alnico shapes.

4. Ceramic Magnets, excellent in peak magnetic product and greater resistance to demagnetization, good resistance to corrosion and cheap in price. Only when making some shapes and sizes, mold fee is necessary. They are good balance of magnetic strength, resistance to demagnetizing and economy.

We help you choose magnet material for all applications, email us now!

Alnico5 Magnet
Dear China Magnets Source Material Ltd, We are pleased to place an order by PO-2016-031 as attached. Please advance this order and let us have your order acknowledgement by return. And let us know estimated shipping schedule.
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Contact information
China Magnets Source Material Limited
Tower B, Qiongzhu Building,
Huawang Rd,Longhua District,
Tel: +86 755 28174720
Fax: +86 755 28174720