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Ceramic Ferrite Block Magnet Description

Ceramic Ferrite block magnet is one of the most cost-effective magnetic materials. It has a fair to good resistance toward corrosion and it can operate in moderate heat.

Ceramic Ferrite Block Magnet Application

These Ceramic Ferrite block magnets are the best choice for low-cost applications. They are excellent at resisting corrosion due to water.
Their properties make them an excellent choice when used in motors, loudspeakers, and clamping devices and for use with reed switches.

Stanford Magnets specializes in manufacturing and supplying Ceramic Ferrite magnets applied in various industrial applications. We have advanced technology, rich experience, and professional engineering technicians in this field. If you require a specific size, please contact us for a quote.


How do ceramic/ferrite block magnets compare to other types of magnets in terms of strength?
Ceramic/ferrite magnets have lower magnetic energy products compared to rare-earth magnets. However, their magnetic strength is adequate for many applications, especially where the highest magnetic force is not necessary, and cost or environmental resistance is a priority.
Can ceramic/ferrite block magnets be customized in size and shape?
Yes, these magnets can be customized to a wide range of sizes and shapes during the manufacturing process. The mixture of ferrite powder is pressed into molds before being sintered, which sets the final properties. Due to their brittleness, significant modifications after sintering are not recommended, although they can be cut or ground to size with appropriate tools.
How should ceramic/ferrite block magnets be handled and stored?
Handling: Despite their hardness, ferrite magnets are brittle and can chip or break if dropped or knocked together. Care should be taken during handling. Storage: No special requirements are necessary for storing ferrite block magnets. However, they should be stored in a way that prevents strong impacts or pressure that could cause damage.
Are ceramic/ferrite block magnets affected by temperature?
Ceramic/ferrite magnets can withstand high temperatures up to a certain point (typically up to 250°C or 482°F) before experiencing a permanent loss in magnetic properties. They are suitable for most applications where extreme temperatures are not a concern.
How are ceramic/ferrite block magnets manufactured?
The manufacturing process involves mixing ferrite powder with a binder, pressing the mixture into a mold to form the desired shape, and then sintering the pressed shape in a kiln at high temperatures. After sintering, the magnets are magnetized using a strong external magnetic field.
Can ceramic/ferrite block magnets be demagnetized?
While they are resistant to demagnetization, it is possible to demagnetize ceramic/ferrite magnets under extreme conditions, such as exposure to very high temperatures (above their Curie temperature), strong opposing magnetic fields, or physical shock. However, under normal conditions, they maintain their magnetism for a long time.

Protocols and articles

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