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Main Differences between Anisotropic and Isotropic Ferrite Magnets

DATE : June6, 2025
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Anisotropic

1. The raw material is in powder form, with a size of about 0.85 ± 0.1 μm.

2. During the molding process, the powder is magnetically aligned.

3. When magnetizing, a certain direction is required, such as axial or radial directions.

4. When magnetized in the thickness direction, the magnetic force is about 800 - 1,400 gauss.


The isotropic compression - molded ferrite magnets: mostly have single - sided magnetic force and are widely used as the magnets for the refrigerators to adhere to, and are one of the components for giveaways.


The anisotropic compression - molded ferrite magnets: have magnetic force on both sides and are slightly stronger. They are widely used, such as in electronics, toys, industry, furniture, stationery, gifts, etc. The applicable products include micro - motors, generators, variable - frequency motors, iron - chip separators, buzzers, magnetic tools, fastener components, sensing components, DY image adjustment, magnetic health therapy, speakers, door stops, submersible pumps, automatic components, movement mechanisms, magnetic suction bases, and others.


Isotropic

1. The raw material is in granular form, with a size of about 3 - 4 μm.

2. During the molding process, the raw material is not magnetically aligned.

3. Magnetization can be carried out in any direction.

4. When magnetized in the thickness direction, the magnetic force is about 500 - 800 gauss.


The advantages of ferrite include easy magnetization, the possibility of electroplating or baking varnish, low cost, moderate delivery time, medium magnetic - force intensity, the ability to produce single - sided or multi - pole magnetism according to customer needs, easy access to materials, and suitability for mass production.