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What Are Strong Magnets & What Are their Applications?

Many people who are searching for specific magnet types may come across the term “strong magnet” in their search. So what are strong magnets? Usually, strong magnets refer to neodymium magnets or NdFeB magnets. The magnetic properties of NdFeB magnets greatly exceed that of the ferrite magnets, Alnico magnets, and SmCo magnets. For example, the weight of the object that the NdFeB magnet can suck is 640 times its weight. That's the reason why they are often referred to as strong magnets.

What Are Strong Magnets? What Are Strong Magnets?

NdFeB magnets have the characteristics of small size, lightweight, and strong magnetism and are the most cost-effective magnet by far. It is expected that in the next 20-30 years, there will be no replacement for NdFeB magnetic materials.  The main raw materials for producing NdFeB magnets are rare earth metal neodymium, praseodymium metal, pure iron, aluminum, ferroboron alloy, and other rare earth raw materials.  The core technology of the NdFeB industry is mainly reflected in the manufacturing process, specifically in the aspects of the uniformity, consistency, processing quality, and coating quality of the products.

What are the applications of strong magnets? 

NdFeB magnets, as the third generation rare earth permanent magnet material, have a very high cost-performance and are widely used in the field of electroacoustics, electronic appliances, motors, mechanical equipment, medical care, and so on.

1. Electroacoustics

In the field of electroacoustics, strong magnets are widely used in speakers, receivers, microphones, alarms, stage audio, car audio, etc.

2. Electronic Appliances

In the field of electronic appliances, strong magnets also have a broad application in the permanent magnet mechanism vacuum circuit breaker, magnetic holding relay, watt-hour meter, water meter, sound meter, reed switch, sensor, etc.

3. Motors

You can also find strong magnets in various motors, such as VCM (Voice Coil Motor), CDDVD-ROM, generator, servo motor, micro motor, vibration motor, etc.

4. Mechanical Equipment

Some mechanical equipment, such as magnetic separators, magnetic cranes, magnetic machinery, etc., are also inseparable from strong magnets.

5. Medical Care

In the field of healthcare, strong magnets have also been widely used. For example, MRI instruments, medical equipment, magnetic therapy health products, and magnetized fuel economizers all require strong magnets.

6. Other Fields 

At the same time, strong magnets are also broadly employed in magnetized wax guards, pipeline descalers, magnetic fixtures, automatic mahjong machines, magnetic locks, door and window magnets, luggage magnets, leather magnets, toy magnets, tool magnets, craft gift packaging, etc.


Thank you for reading our article and we hope it can help you to have a better understanding of what are strong magnets and their applications. If you want to know more about strong magnets, we would like to recommend you visit Stanford Magnets for more information. As a leading magnet supplier across the world, Stanford Magnets has been involved in R&D, manufacturing, and sales of various magnets since the 1990s. It provides customers with high-quality rare earth permanent magnetic products such as neodymium magnets, and other non-rare earth permanent magnets at a very competitive price.

About the author

Cathy Marchio

Cathy Marchio is an expert at Stanford Magnets, where she shares her deep knowledge of magnets like Neodymium and Samarium Cobalt. With a background in materials science, Cathy writes articles and guides that make complex topics easier to understand. She helps people learn about magnets and their uses in different industries, making her a key part of the company's success.

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