Bright Silver N35 Grade Neodymium Block Magnet 20x20x5mm

Neodymium Magnet, Sintered NdFeB magnet, the third generation of rare-earth permanent magnet, is the most powerful and advanced commercialized permanent magnet up to date. Neodymium Magnet has high coercive force, high energy and high performance/ cost ratio. It can be formed into various sizes and widely used in many fields such as aviation, electronics, instruments, meters, machines and medical instrument.

Neodymium Rare Earth magnets are the strongest permanent magnets available due to their powerful magnetic field and their great strength and their resistance to demagnetization. They are up to 7 times stronger than other permanent magnets such as ceramic magnet or alnico magnet and offer excellent size to strength ratio. This type of permanent magnet has several protective coatings such as Nickel, Phosphorous or Zinc. These magnets are produced by the powder metallurgical method, with chemical composition of Nd2Fe14B. They are very brittle and hard, and are the least corrosion resistant of all commercial magnets. They have reasonable temperature stability but are not suitable for high temperature applications.

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