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Magnetic Shielding Alloy Foil (Ni77/Fe14/Cu 5/Mo 4)

Formula: Ni 77/Fe 14/Cu 5/Mo 4
Form: Foil/Film/Sheet
Material: Magnetic Shielding Alloy
Commodity: Alloys
Hazard Pictogram: GHS07,GHS08
Magnetic Shielding Alloy Foil (Ni77/Fe14/Cu 5/Mo 4) from Goodfellow is a foil that provides excellent magnetic shielding properties. With high magnetic permeability and saturation, this nickel-iron alloy foil can divert magnetic field lines around sensitive equipment. Applications of this foil include shielding MRI machines, scientific instrumentation, and enclosures for electronics. As part of Goodfellow's extensive range of specialty metal foils, this magnetic shielding alloy foil enables effective magnetic shielding across industries.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Health hazard/Hazardous to the ozone layer

Serious health hazard

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Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±25%
Thickness >0.05mm ±10%

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 105-290
Modulus of elasticity( GPa ) 190-221
Izod impact strength( J m⁻¹ ) 42-100
Tensile strength( MPa ) 530-900
Magnetic Properties
Element Value
Initial permeability 60000
Maximum permeability 240000
Coercivity (Hc)( A m⁻¹ ) 1
Curie temperature( C ) 380
Remanence from saturation (Brem)( T ) 0.37
Saturation Induction( T ) 0.77
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 55-62
Physical Properties
Element Value
Density( gcm⁻³ ) 8.8
Thermal Properties
Element Value
Thermal conductivity( W m⁻¹ K⁻¹ ) 30-35@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 13@20-100°C

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