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72mm O.D x 30mm I.D x 12mm thick Y30BH Ferrite Ring Magnet - 6.4kg Pull

Commonly used in loudspeaker systems and magnetic rollers among many other applications, these versatile, large ferrite ring magnets provide excellent resistance to demagnetisation and corrosion at unbeatable value.

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  • £3.35
Product Code: FR723012F
Shape: Ring
Magnetic Face: 72mm dia
Thickness: 12mm
Grade: Y30BH
Material: Ferrite
Performance (Gauss): 800
Vertical Pull (Kg): 6.4
Slide Resistance (Kg): 1.28
Max Temp (degrees C): 80
Fixing: Araldite/Loctite
  • 72mm outer diameter x 30mm inner diameter x 12mm thick
  • Each magnet's north and south poles are on opposite circular faces
  • Each magnet can support 6.4kg pull vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness
  • Resistant to demagnetisation and corrosion without any extra coating

Also known as ceramic magnets, ferrite magnets offer excellent value for money when pull strength is not the most important factor. They have a high resistance to corrosion and demagnetisation and can operate in temperatures up to 180oC. Ring magnets are made specifically for loudspeaker systems and their sizes have evolved with demand from this market. However, they are also commonly used in magnetic rollers for separating applications and in the printing industry. They are also a vital component found in fast running conveyor systems in many manufacturing plants dealing with ferrous material.

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