MuMETAl® MAGNETIC SHIELDING alloy
THE INDUSTRY STANDARD
Mu-metall
Stress Annealed Sheet
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Mu-metall Perfection Annealed Foil |
MuMETAL® Is Known Worldwide
MuMETAL® alloy shielding is recognized as the "industry standard" provides very
high magnetic permeability and the highest possible attenuation available in
sheet and foil forms. Co-NETIC® and NETIC® specialty alloys are also
widely
specified by OEM, Design, and Electrical Engineers because each of these
material types are all field proven scientifically to be the materials of
choice for low-frequency magnetic shielding. Our proprietary brand, MuMETAL®
meets MILSPEC 14411C,
composition 1.
Learn More at Science, Research & Education
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Shielding Calculations | Alloy
Material Selection
Whether you want to learn shielding theory, shielding calculations, or the
differences between our shielding alloys, we can help. We are all affected by,
and becoming acutely aware, of the affects electromagnetic interference has on
safety and compliance. Each day we receive unique inquiries from OEM, design, electrical
engineers, high-tech professionals, inventors, scientists, and buying
professionals - many with limited knowledge of how magnetic shielding materials can be used to avoid unwanted interference. Some may know of terms mu-metall or mumetal shielding.
Learn More - Technical Resources and Tools
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MuMETAL® Sheet | MuMETAL® Foil | Fabrication
MuMETAL® is used primarily
in low intensity fields where high attenuation,
high initial permeability and
high shielding efficiency are desired. Available as
stress annealed (partially
annealed for ease of machinability) sheet stock is
used for fabricated shields
such as enclosures, cylinders, cans, channels or 3D boxes. Typically,
atmospherically controlled annealing is required after stamping, machining,
bending, rolling or welding to provide maximum shielding performance. MuMETAL®
Stress Annealed alloy is available in many forms, but most shields are
fabricated from our sheet stock in gauges from .014" to .062"
thickness [0,36mm to 1,57mm]. MuMETAL® Foil is fully annealed and available in
stock guages from .002" to .010" thickness [0,05mm to 0,25mm].
Learn more - MuMETAL® Products
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Stress Annealed | Final Annealed (Perfection Annealed)
MuMETAL® is typically stocked in a stress
annealed state to allow further fabrication, stamping, severe forming or
welding. During fabrication, a material’s grain structure is weakened. After
final fabrication processes are completed, grain structure is then modified by
controlled atmospheric annealing to relieve stress in the mu-metall material, resulting
in larger grain structure, softer temper, and ultimate shielding performance.
Although MuMETAL® is available in many forms, most shields are fabricated from
foil or sheet stock.
Learn more - MuMETAL® Products
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Highest efficiency magnetic shielding performance |
Magnetic Shield Corporation
Leading the way since 1941 |
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