Ferrite magnets
Unlike neodymium magnets, ferrite magnets do not require a coating because they are made of a corrosion-resistant material. We offer ferrite magnets made of strontium ferrite (SrFe), all of which are magnetized axially (along their height), such as: cylindrical ferrite magnets,ferrite disc magnets,ferrite ring magnets. Ferrite magnets are also known as raw magnets, ceramic magnets, or permanent ceramic magnets.
The advantages of ferrite magnets at a glance:
- temperature-resistant from -40 °C to 250 °C
- rust-resistant and therefore ideal for outdoor use
- affordable
What Are Ferrite Magnets??
Nonmetallic ceramic materials with ferromagnetic properties. Ferrites are typically produced by sintering powdered metal oxides (such as iron(III) oxide or hematite) in the proper proportions. During sintering, metal oxides are fused or compressed by heating, making the magnet more compact. The next step is grinding and polishing, and then the ferrites are magnetized. You have to think of it this way: every tiny grain of powder is magnetic in and of itself. However, because their magnetic fields point in random directions, the magnetic field of the semi-finished product cannot be concentrated. The purpose of magnetization is therefore to ensure that, ultimately, all magnetic forces act in the same direction. During magnetization, the magnetic forces of metallic materials are aligned into what is known as a preferred orientation by means of an external magnet.
Properties of Ferrite Magnets
Ferrite magnets can be recognized by their characteristic black color. A ferrite magnet can withstand temperatures up to 250 °C, whereas neodymium magnets permanently lose their magnetization as early as 80 °C. The advantage of ferrite magnets is that they last a long time under extreme conditions and are not susceptible to chemicals, alkalis, and salts. That is why ferrite magnets are used in applications where a relatively low magnetic force is important, but above all, their durability.
Ferrite Magnets – Applications
Ferrite magnets are the most commonly produced type of magnet in the world. They are composed mainly of ceramic materials, which is why ferrite magnets are also known as ceramic magnets. Because they are very inexpensive to manufacture, ceramic permanent magnets are used in products and applications that require an affordable permanent magnet. These include speakers, microphones, toys, and certain motors, pumps, and magnetic filters.
Wholesale Sales of Ferrite Magnets – Magnet Store.com.pl
Do you need durable magnets that are resistant to high temperatures and corrosion?? We offer a wide range of ferrite magnets for wholesale to the electrical engineering, automotive, and industrial sectors. We offer wholesale ferrite magnets in a variety of shapes and magnetic grades. Choose a trusted business partner for your bulk ferrite magnet purchases and enjoy favorable terms and reliable components for mass production.
Frequently Asked Questions and Answers About Ferrite Magnets
Can ferrite magnets be used in electronics??
Yes, ferrite magnets are widely used in electronics, particularly in devices such as speakers, microphones, transducers, and sensors. Thanks to their corrosion resistance and magnetic stability—even at high temperatures—they are durable and reliable, ensuring a long service life for the equipment. They are a cheaper alternative to neodymium magnets, which makes them a popular choice in the mass production of electronics and household appliances.
Are ferrite magnets suitable for industrial applications??
Yes, ferrite magnets are widely used in industry, particularly in the manufacture of electric motors, magnetic clutches, separators, and magnetic transport systems. Ferrite magnets are ideal for harsh industrial environments where durability and resistance to external conditions are more important than maximum magnetic force.
Are ferrite magnets corrosion-resistant??
Yes, ferrite magnets are highly corrosion-resistant and do not require additional protection. This feature allows them to be used outdoors and in humid, chemically harsh environments, which is a major advantage over neodymium magnets, which require protective coatings.
Do ferrite magnets come in different classes of magnetic strength??
Yes, ferrite magnets come in various types with different magnetic properties.. Although their magnetic strength is lower than that of neodymium magnets, they are available in various grades, allowing them to be tailored to specific needs depending on the requirements for magnetic field strength and durability.
Can ferrite magnets be used at high temperatures??
Yes, ferrite magnets can withstand temperatures of up to about 250°C without losing their magnetic properties, which makes them much more heat-resistant than neodymium magnets. This temperature stability allows them to be used in demanding operating conditions and in equipment where elevated temperatures are the norm.
What are the benefits of choosing ferrite magnets over other types of magnets??
Choosing ferrite magnets ensures durability, corrosion resistance, and thermal resistance at a relatively low production cost. They are ideal for industrial and electronic applications where stability and reliability are required under harsh conditions, and very high magnetic force is not a priority..