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High Corrosion Resistance Magnets

High corrosion magnets are designed to operate in the harshest of environments where magnets are most vulnerable to rusting. Our range of corrosion resistant magnets are designed to maintain a superior performance outdoors where other magnets are likely to fail.

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  • 2mm dia x 1mm thick Samarium Cobalt Magnet - 0.06kg Pull
    Now From $3.68 Was: $7.73 | Save: $4.05
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  • 2mm dia x 2mm thick Samarium Cobalt Magnet - 0.11kg Pull
  • 3mm dia x 1mm thick Samarium Cobalt Magnet - 0.17kg Pull
  • 3mm dia x 2mm thick Samarium Cobalt Magnet - 0.19kg Pull
  • 3mm dia x 3mm thick Samarium Cobalt Magnet - 0.2kg Pull
  • 4mm dia x 2mm thick Samarium Cobalt Magnet - 0.32kg Pull
  • 4mm dia x 5mm thick Samarium Cobalt Magnet - 0.44kg Pull
  • 5mm dia x 2mm thick Samarium Cobalt Magnet - 0.33kg Pull
  • 6mm dia x 3mm thick Samarium Cobalt Magnet - 0.7kg Pull
  • 8mm dia x 2mm thick Samarium Cobalt Magnet - 0.7kg Pull
  • 25mm dia x 10mm thick x M4 thread hole Samarium Cobalt Pot Magnet - 16.7kg Pull
  • 25 x 5 x 5mm thick Samarium Cobalt Magnet - 3.2kg Pull
  • 20mm dia x 10mm thick x 5.2mm c/sink Ferrite Magnet - 1.2kg Pull
  • 50mm O.D x 25mm I.D x 10mm thick Y30BH Ferrite Ring Magnet - 5kg Pull High Temperature
  • 7 x 7 x 25mm thick Y30BH Ferrite Magnet - 0.28kg Pull High Temperature
  • 25 x 10 x 3mm thick Y30BH Ferrite Magnet - 0.44kg Pull High Temperature
  • 40 x 25 x 10mm thick Y30BH Ferrite Magnet - 3kg Pull
  • 50 x 19 x 5mm thick Y30BH Ferrite Magnet - 1.5kg Pull High Temperature
  • 50 x 19 x 10mm thick Y30BH Ferrite Magnet - 3kg Pull
  • 50 x 25 x 10mm thick Y30BH Ferrite Magnet - 3.6kg Pull High Temperature
  • 60 x 20 x 15mm thick Y30BH Ferrite Magnet - 4.9kg Pull
  • 70 x 20 x 15mm thick Y30BH Ferrite Magnet - 4.2kg Pull
  • 75 x 50 x 10mm thick Y30BH Ferrite Magnet - 4.5kg Pull High Temperature
  • 75 x 50 x 20mm thick Y30BH Ferrite Magnet - 5kg Pull High Temperature
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Corrosion is the most common cause for a magnet failing. If you are using magnets outdoors, or in an environment in which they are likely to come into regular contact with moisture then you need a material that won’t rust. Here, you will find a range of ceramic magnets, samarium cobalt magnets, alnico magnets and flexible magnets that all have excellent resistance to corrosion without any further coating or protection. Magnets that are susceptible to corrosion are often plated to give some protection, however this is often not enough to withstand continued use in moist environments, the magnets may look fine on the outside but could be rusting from the inside out.

Samarium cobalt magnets are made of an alloy with very little iron content, which gives them their superior resistance, while ceramic magnets are made from iron-oxide which is commonly known as rust and therefore won’t corrode further once manufactured.

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