mackenzietearmp7apgn mackenzietearmp7apgn
  • 16-04-2018
  • Biology
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what kind of magnet is a fridge magnet

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lilaipo
lilaipo lilaipo
  • 28-04-2018
Ferrite Magnets (ferromagnetic or ferrimagnetic) are the kinds of magnets in a fridge magnet. A refrigerator magnet is made of powdered ferrite (iron rust) and a liquid binding agent of plastic or rubber. The two are heated, mixed together, and poured into a sheet mold which is then exposed to a strong magnetic field.
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