Permanent Magnetic Products

Arnold’s high-performance permanent magnet products have a wide variety of applications, from electric motors on ships, aircraft and motorsport vehicles, to pump couplings, batteries, solar panels and NMR Equipment. Our diverse markets allow us to keep our technologies on the leading edge of innovation. Our custom magnet production and fabrication ensures that our customers receive magnet products that are specifically catered to their unique design requirements.

Contact a specialist to learn more about our complex permanent magnetic solutions.


  • Samarium Cobalt Magnets

    Arnold Magnetic Technologies’ industry leading RECOMA® Samarium Cobalt (SmCo) magnet materials break the performance barriers of other magnetic components. Offering several operational advantages, our top-of-the-line RECOMA 35E is currently the most power dense samarium cobalt magnet on the market, and is specifically created for the most demanding environments.

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  • Neodymium Iron Boron Magnets

    Neodymium iron boron (NdFeB), or “neo” magnets offer the highest energy product of any material today and are available in a wide range of shapes, sizes and grades including GBD. Neo magnets can be found in a variety of applications including high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors and loudspeakers.

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  • Alnico Magnets & Custom Assemblies

    Sintered or Cast Alnico delivers impressive flux density at an economical price. It boasts the lowest reversible temperature coefficient of any standard commercial magnet material (0.02% per degree centigrade) allowing for excellent stability over a wide temperature range. Alnico is also inherently corrosion resistant.

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  • Injection Molded Magnets

    Injection molded magnets are essentially fully dense magnetic powders blended with a variety of polymer base materials. Depending on the combination of magnetic material and polymer selected, a wide range of final material properties are possible.

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  • L-Type Laminated Magnets

    High efficiency demands the best materials, and the Arnold L Type laminated rare earth magnets are proven to reduce eddy current losses in high efficiency motors. Less eddy current loss means less heat and less waste. Designers in the aerospace, automotive, motorsport, and industrial markets are turning to laminated rare earth magnets.

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  • Encapsulated Magnets

    Composite and metallic encapsulation solutions for a wide range of permanent magnet systems and applications. Wraptite composite sleeves offer a superior design alternative for higher performance applications in which rotational speeds exceed 50K RPM.

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  • Custom Electromagnets

    Arnold manufactures a wide variety of custom electromagnets, sometimes called solenoids, which generate uniform or proportioned magnetic field shapes and with a wide range of magnetic field intensities.

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  • Permanent Magnet Rotors

    Arnold produces high performance motor components and sub-assemblies for aerospace and defense, industrial, automotive, and motorsport applications.

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  • Precision Magnetic Assemblies Manufacturing

    From straight-forward to complex combinations of magnetic and non-magnetic materials, our advanced assembly services offer unparalleled expertise, quality and affordability.

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  • Shaped Fields and Magnetic Field Technology

    By managing the magnetic field distribution, Arnold’s Shaped Field Magnets provide enhanced performance and offer greater design flexibility— often at a lower cost.

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