Permanent ferrite magnets, also known as ceramic magnets, ferrites have high coercivity, so are difficult to demagnetize. They are used to make permanent magnets for applications such as refrigerator magnets, loudspeakers, and small electric motors.
Ferrite block magnets are also known as ferrite rectangular magnets or ferrite square magnets, ferrite slab magnets and ferrite cube magnets. Rectangle, square, slab or cube shapes would all exist under the term ferrite block magnets.
Ferrite permanent magnets are mainly made of SrO or Fe2O3 materials. Comparing with neodymium magnet , ferrite magnet is harder and brittle, with lower magnetic performance. But it has excellent resistance to demagnetization and corrosion. Due to simple production techniques and more favorable price, ferrite magnets have the highest yield in magnet1
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