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Rare Earth Magnets | SmCo Magnets

Samarium Cobalt magnets are permanent, super-strong rare earth magnets at CMS Magnetics & Magnets For Sale. They are more expensive than the popular neodymium magnets, with a somewhat weaker magnetic field strength. However, SmCo magnets are the best choice for many applications due to their superior ability to retain their magnetic strength at high temperatures. Powerful Samarium Cobalt magnets are also far more resistant to corrosion and oxidation than other rare earth magnets, so they do not require protective coatings. However, these magnets must be handled with care because they are brittle and may crack or chip.

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