What is a bonded magnet? What is it made of?

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A type of magnet consisting of powdered permanent magnet material, usually isotropic ceramic ferrite or neodymium-iron-boron, and a polymer binder, typically rubber or epoxy, this magnet material can be molded into complex shapes.

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"Neodymium magnets can be manufactured in several ways, and one of the most innovative is the process of compression bonding. Compression bonding is a die-pressing process that involves mixing neodymium powder with an epoxy binder and pressing high-density parts that are then oven-cured."

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