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FAQ - Frequently Asked Questions

Is this magnet isotropic or anisotropic?

The characteristics "anisotropic" or "isotropic" indicate whether a magnet has a preferred magnetisation direction.
Our neodymium, ferrite and AlNiCo magnets are all anisotropic. Some magnetic tapes and sheets are anisotropic and others are isotropic. You can find the specifications in the individual product descriptions. More general information can also be found under FAQs What are neodymium, ferrite and AlNiCo magnets made of? and What do I need to know about using magnetic tapes and sheets?.

Comparison isotropic/anisotropic

isotropic = no preferred direction anisotropic = has preferred direction
Magnetisation in any direction Magnetisation exclusively in the specified direction
Lower price Higher price
Lower adhesive force Higher adhesive force

You can't tell on sight if a magnet is anisotropic or isotropic. The difference lies in an additional production step for anisotropic magnets: When producing the raw magnet, an electromagnetic field is created, hence, the material adjusts ideally. That's why anisotropic magnets are stronger than isotropic ones, but they can then only be magnetised in the specified direction. Due to the additional production step, anisotropic magnets are somewhat more expensive than isotropic ones.

Isotropic magnetic products at supermagnete.de