High-performance neodymium (N42) ring magnet with north and south poles on opposing circular faces.
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|Magnetic Face:||19.1mm x 9.5mm|
|Plating:||Ni-Cu-Ni ( Nickel )|
|Vertical Pull (Kg):||8.1|
|Slide Resistance (Kg):||1.6|
|Max Temp (degrees C):||80|
These versatile high-performance ring magnets, with north and south poles on opposing circular faces, have many uses. They are used in many everyday appliances such as vacuum cleaners plus motors, generators, rotor shafts and more. They can even be used to demonstrate intriguing 'eddy currents' using a 28/79'' copper pipe. Simply slide the ring over the pipe and let it slide down its length and watch it slowly descend as the eddy currents produced create a damping effect. Compare this with an unmagnetised ring of the same dimension by repeating and watch as the unmagnetised ring slides down the pipe in an instant. A great way to bring magnets to life in the classroom.