Ferrite, Samarium Cobalt and AlNiCo magnets are usually uncoated because they do not rust/oxidise. Neodymium magnets are available uncoated but this is not common.

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Products in the Uncoated Guy's Magnets Craft Magnets category have been rated stars based on 1 reviews |
Ferrite, Samarium Cobalt and AlNiCo magnets are usually uncoated because they do not rust/oxidise. Neodymium magnets are available uncoated but this is not common.