Ferrite Disc Magnets

Material: Ferrite

Max temperature: 250 °C

Quality grade: 26/22, 28/16, 26/24, 28/26

Tolerance for D: + 0.5 / - 0.6 mm

Tolerance for H: + 0.3 / - 0.2 mm

Magnetisation: Axial by default

Type: Isotropic / anisotropic

Holding force: 10 Newton ~ approx. 1 kg.

Disc ferrite‌ is a common magnetic material, mainly composed of a mixture of iron oxide and other metal oxides (such as manganese, zinc, nickel, etc.) and sintered at high temperature. Round ferrite has the advantages of high magnetism, corrosion resistance, and can be made into various shapes. It is widely used in electronics, communications, medical and other fields‌ .

Composition and manufacturing process
Disc ferrite is mainly composed of a mixture of iron oxide and other metal oxides (such as manganese, zinc, nickel, etc.). Through high-temperature sintering and mold pressing, it can be made into magnets of various shapes, such as circular rings, squares, cylinders, etc.‌

Performance characteristics
‌High magnetism‌: Disc ferrite has good magnetic properties, is sensitive to external magnetic fields, and is suitable for making various magnetic field sensors‌.
‌Corrosion resistance‌: Due to its good chemical stability, it is not easy to oxidize or corrode‌.
‌Plasticity‌: It can be pressed into various shapes by molds, which is convenient for manufacturing and use‌.
‌Economical and practical‌: The manufacturing cost is low and the cost performance is high‌.

This ferrite disc magnets, also known as "round magnet", is made of ferrite, which grants a reliable performance and a very competitive price when compared with Neodymium.

Ferrite magnets are made of an iron oxide powder and a blend of other metals. Their cheap price, together with their high heat and corrosion resistance, makes them perfect in many fields and applications, such as industrial equipment, gadgets, bricolage, automotive, holders, fixtures, sensors and many more!

These magnets can resist at a maximum temperature of 250 °C. If you need a higher temperature resistance contact us.

Please note: Ferrite magnets are fragile and should be handled with care. Although they have a high coercitivity value (which means they do not demagnetize easily), you should avoid placing them in direct contact with more powerful magnets.

Magnetic Strength: Neodymium disc magnets are much stronger than ferrite disc magnets.

Cost: Neodymium disc magnets are generally more expensive than ferrite disc magnets due to their higher magnetic strength and the cost of neodymium, a rare-earth element. Ferrite magnets are more cost-effective, which makes them a popular choice for applications where high magnetic strength is not required.

Temperature: Neodymium disc magnets have lower temperature stability compared to ferrite disc magnets.

Corrosion Resistance: Neodymium magnets are prone to corrosion, especially in humid environments. They are often coated with materials like nickel or epoxy to protect them from corrosion. Ferrite magnets, on the other hand, are more resistant to corrosion and do not require additional coating in most applications.

Applications: Neodymium disc magnets are used in applications where strong magnetic fields are required, such as in electric motors, generators, and magnetic assemblies. Ferrite disc magnets are used in applications where cost-effectiveness and moderate magnetic strength are sufficient, such as in magnetic separators, loudspeakers, and educational magnets.

Expertise and Experience: 20+ years of experience in the magnet industry, all our sales have 12+ years expertise and knowledge in various types of permanent magnets.

Customization: most of strong magnets are customized according to drawing and request.

Certificte: ISO9001:2015 Certification

Shipment method: by sea. Customized wooden case

By air, Professional magnetic isolation packaging

Cartons packages are for air shipment, and we will hold cartons with one case or pallets for sea shipment.

What is the normal lead time?

For stock products, we will send goods to you within 1-2 days after receiving the payment.

If we do not have them in stock, generally speaking, production time is 15-20days.

What information do I need to offer when I have an enquiry?

Magnet grade or magnetic properties, size, shape and drawing with tolerances, Magnetic direction, quantity, Surface coating etc.

What is your minimum order quantity, can you send me samples?

It depends on the magnet which you required, you can send us your request, we will reply you in the first time. Yes, sample is available.

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