Ferrite Magnets or Ceramicsare sintered permanent magnets composed of barium or strontium carbonate, and iron oxide. This class of magnets, aside from good resistance to demagnetization, has the popular advantage of low cost. The sorts of hard ferrite magnets are manifold and complete. They are charcoal gray in color and usually appear in the forms of toroid, circular disk, square, bar, arc segment, blocks, rings, cylinders special magnets etc. The detail specifications are up to hundreds of kinds.
The corrosion resistance of Ferrite is considered excellent and no surface treatments are required. It can be used in temperatures up to 300 degrees C. However, Ferrite magnets may have a thin film of fine magnet powder on the surface and for clean, non-contaminated applications, some form of coating may be required. Magnets are available in different shapes & sizes and can also be custom fabricated according to specifications & tolerances. |
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