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MagnetShield

$4.50$382.50

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SKU: 72274 Category:
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Description

High Saturation Magnetic Alloy

First line of defense for shielding strong magnetic fields from magnets, speakers, small transformers and motors. Strong magnetic fields are harder to shield because they tend to “saturate” the shielding material. This foil has an exceptionally high magnetic saturation of 21400 Gauss and maximum permeability of 4000. Tin plated for excellent corrosion resistance and better conductivity, it can be soldered or painted.

MagnetShield typically reduces fields up to a factor of 2 or 3 depending on size/shape of the shield. Can be used in multiple layers, and/or in combination with a higher permeability alloy such as Joint-Shield for higher attenuation. Annealing is not necessary with this material. For increased shielding effectiveness, consider the following strategies:

Good: Layer(s) MagnetShield
Better: One or more layers of MagnetShield (closest to the source of field), followed by one or more layers of a high permeability material such as Joint-Shield or MagStop Plate.

Applications Notes:

– The magnets will be attracted to the shield (this is true of ALL magnetic shielding alloys). If you want to shield 2 adjacent magnets from eachother, each magnet should have its own shield.
– The size, shape, and position of the shield all matter in terms of shield performance. For example, larger shields are better than small shields. Closer to the magnet is better than farther from the magnet. And parallel to the magnetic field lines is better than perpendicular to them.
– You will likely need more than one layer of shielding material, depending on the strength of your magnets. More layers = more attenuation.

Available in a 4″ wide material or in plate form.

Additional information

Weight N/A
Dimensions N/A
Option

Per 100 ft roll, Per ft, Plate 36x120x0.015, Plate 36x15x0.015