+44 (0) 1580 891521


Magnetic Shields are a global supplier of MuMetal® Magnetic Shielding Foil. Our standard stock ranges of cold rolled, stress annealed MuMetal® foil (Grade ASTM A753 Alloy 4) are available in a variety of gauges and widths for rapid delivery worldwide. MuMetal® foil is typically used in delicate applications within the low frequency range where sensitive devices are impaired by magnetic interference. MuMetal® Foil provides very high permeability and exceptionally low coercive forces and magnetic losses.

Our Service

MuMetal® foils are ideally suited for applications where geometrical and economical restraints exist. In these instances, a simple wrap of magnetic shielding foil can* provide the required level of magnetic field attenuation (*dependant on application - please speak to our Technical Sales Team if you require advice on suitability for your application)
Our magnetic shielding foils are supplied by the metre and can also be offered with the following options*

  • Custom Coil Widths (minimum – 6.35mm on 0.2mm gauge)
  • Magnesium Methylate Coating
  • Self-Adhesive Backing
  • Hydrogen Magnetic Anneal

* Please contact our Technical Sales Team to find out more. Please see our standard stock list below for available options.


View/Download Stock List PDF

Headcorn Road  |  Staplehurst  |  Tonbridge  |  Kent  |  TN12 0DS  |  UK

Tel : +44 (0) 1580 891521  Fax : +44 (0) 1580 893345

® MuMetal is a registered trademark of Carpenter Technology Corporation
® MuRoom is a registered trademark of Magnetic Shields Limited
® Cryophy is a registered trademark of Aperam Alloys