Home / Blog / What Are Rubber Magnets and What Are Their Benefits?

What Are Rubber Magnets and What Are Their Benefits?

What are permanent magnets?

Permanent magnets are objects that produce a magnetic field and retain it even in the absence of an external magnetic field. They are made from materials such as iron, nickel, and cobalt, which have magnetic properties. When a magnetic field is applied to these materials, they become magnetized, and the magnetic field they produce persists even after the applied field is removed. Permanent magnets are used in a wide range of applications, including motors, generators, speakers, and magnetic storage devices.

What are rubber magnets?

Rubber magnets are a type of flexible magnets that are made by mixing magnetic powder with a synthetic rubber binder. The resulting material can be molded into various shapes and sizes and has a flexible, rubbery texture. Rubber magnets are widely used in advertising, crafts, and educational applications, as they are easy to cut, print on, and attach to surfaces. Rubber magnets are a type of permanent magnet. 

How do rubber magnets work?

Rubber magnets work by aligning the magnetic domains of the magnetic particles in the rubber binder. Magnetic domains are regions of a magnetic material where the magnetic moments of the atoms are aligned in the same direction. In an unmagnetized material, the magnetic domains are randomly oriented, and the magnetic field they produce cancels out. When a magnetic field is applied to the material, the magnetic domains align with the applied field, producing a net magnetic field that persists even after the applied field is removed.

How are rubber magnets manufactured?

Rubber magnets are manufactured by mixing magnetic powder, typically made of strontium ferrite or barium ferrite, with a synthetic rubber binder. The magnetic powder and the rubber binder are mixed in a solvent, such as acetone or toluene, to form a slurry. The slurry is then poured into a mold, and the excess solvent is allowed to evaporate. The resulting material is then cured at a high temperature to form a solid, flexible magnet.

Rubber Magnets

The manufacturing process for rubber magnets is relatively simple and can be done on a large scale. The magnetic powder and the rubber binder can be sourced from different suppliers, and the production process can be automated to reduce labor costs. The resulting rubber magnets can be cut into various shapes and sizes, and the surface can be printed using standard printing techniques.

What are the common applications of rubber magnets?

Rubber magnets are versatile magnetic materials that are used in various applications. The primary advantage of rubber magnets is that they are flexible, durable, and can be easily cut, bent, or twisted to any shape. Here are some common applications of rubber magnets:

  1. Advertising and Signage:Rubber magnets are used to create promotional magnets, car signs, fridge magnets, and other types of magnetic signage. They are ideal for branding and marketing purposes as they can be customized to any shape or design.
  2. Craft and Hobby:Rubber magnets are popular in craft and hobby projects such as scrapbooking, card making, and fridge magnet creation. They are easy to handle, and their flexibility allows them to be cut into various shapes and sizes.
  3. Industrial Applications:Rubber magnets are used in various industrial applications such as magnetic conveyors, lifting magnets, and magnetic separation. They are also used in the automotive industry to create door seals and gaskets.
  4. Education:Rubber magnets are used in educational settings to teach students about magnetic properties, magnetic fields, and other related concepts. They are also used to create interactive whiteboard magnets for classroom use.
  5. Home and Office:Rubber magnets are used in the home and office as refrigerator magnets, memo holders, and whiteboard magnets. They can also be used to hold tools and equipment in place.

What are the benefits of rubber magnets?

Rubber magnets have numerous benefits that make them a popular choice for various applications. Here are some of the advantages of rubber magnets:

Flexibility: Rubber magnets are flexible, which makes them ideal for use in applications that require bending or twisting. They can be easily cut into various shapes and sizes without losing their magnetic properties.

Durability: Rubber magnets are durable and can withstand harsh environments. They are resistant to water, chemicals, and UV light, making them suitable for both indoor and outdoor use.

Low Cost: Rubber magnets are relatively inexpensive compared to other magnetic materials such as neodymium magnets. This makes them an affordable option for various applications.

Easy to Handle: Rubber magnets are easy to handle and can be easily glued, taped, or stapled to various surfaces. They do not require any special handling or tools, making them a convenient option for DIY projects.

Magnetic Properties: Rubber magnets have good magnetic properties and are suitable for various applications that require a low to the medium-strength magnetic field.

Things to consider before buying rubber magnets: 

Before buying rubber magnets, there are several factors to consider to ensure that you get the right product for your application. Here are some of the things to keep in mind:

  • Magnetic Strength:Rubber magnets come in different magnetic strengths, so it's essential to choose the right one for your application. If you need a higher magnetic strength, then you may need to consider neodymium magnets.
  • Size and Shape:Rubber magnets can be cut into various sizes and shapes, so it's essential to determine the size and shape that you need for your application. Consider the thickness, width, and length of the magnet to ensure that it meets your requirements.
  • Temperature Range:Rubber magnets have a limited temperature range, and exposure to high temperatures can cause them to lose their magnetic properties. Consider the temperature range of the magnet and ensure that it's suitable for your application.


In conclusion, rubber magnets have a wide range of applications due to their flexibility, durability, and cost-effectiveness. They are used in industries such as advertising, education, industry, and home and office. Mag Spring is a company that specializes in supply rubber magnets and other magnetic materials. We provide customized solutions for our client's needs, and their products are of high quality and durable. Our rubber magnets are used in various industries and applications, and they are committed to providing excellent customer service and satisfaction.

Contact us