An Introduction to Ferrite Magnets

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Ferrite Magnets

(also known as Ceramic Magnets)

The Ferrite permanent magnet is also known as a Ceramic Magnet and even as hard ferrite magnet. The name is interchangeable but they all refer to exactly the same material type. They are known as Ceramic Magnets because they are electrically insulating. Ferrite permanent magnets exist in two forms – Strontium Ferrite magnets and Barium Ferrite Magnets. The Strontium Ferrite Magnets is the most common.

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APPLICATIONS

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CHARACTERISTICS OF
FERRITE MAGNETS

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FERRITE COATINGS

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GRADES OF FERRITE

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HOW FERRITE
MAGNETS ARE MADE

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INTRODUCTION TO
FERRITE MAGNETS

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Ferrite magnets are darker grey in colour and are often referred to as having a “pencil lead” appearance.

Ferrite / Ceramic permanent magnets are technically known as hard ferrite materials (when exposed to a brief external magnetic field, the material retains magnetism due to having high coercivity, Hc). They are not the same as soft ferrite materials as used in transformer cores (which do not retain magnetism after exposure to a brief magnetic field because soft ferrite materials have low coercivity). The high coercive force of Ferrite Magnets means they are classified as hard materials, like all the other permanent magnets.

Ferrite magnets are extremely popular due to their characteristics. Ferrite magnets are corrosion free – for long term performance they are superb; if looked after they are capable of exceeding most products lifecycles. Ferrite magnets can be used up to +250 degrees C (and in some cases up to +300 deg C). Ferrite magnets are also low cost, particularly in high volume production runs. We offer 27 grades of ferrite permanent magnet.

This website overviews Ferrite Permanent Magnet production and the characteristics of Ferrite Permanent Magnets. From this you should be able to determine your Ferrite magnet requirements (or we can help you if you need more assistance). And we can then provide you with a quotation for your magnet specification.

We supply Ferrite / Ceramic magnets globally to all industries, including Automotive, Aerospace, Military, Advertising, Design House, Electronic and Academic/R&D. If you require a bespoke Ferrite / Ceramic magnets or magnetic assembly, Technical Support or our Ferrite / Ceramic Magnet Technical Data Sheet, please contact us. If you need a quotation for an existing magnet shape or a bespoke shape, please contact us. As our production facility is in China, we offer a highly competitive price.

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Please do not hesitate to contact us with any question or query you may have. Our professional team will give you expert advice and guidance for your magnetic application and equipment.