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Why use rare earth magnets rather than regular permanent magnets?

April 26, 2017earth magnets PERMANENT rare regular

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Why use rare earth magnets rather than regular permanent magnets?

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A. Rare earth magnets have the highest energy product of all permanent magnets, permitting the small size and high torque transmission capability of the MagnaDrive technology. NdFeB magnets will retain their magnetic performance properties for the life of the MagnaDrive product.