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Nickel/Iron Alloy Foil (Light Tight) (Ni80/Fe20)

Formula: Ni 80/ Fe20
Form: Foil (Light Tight)
Material: Nickel/Iron Alloy
Commodity: Alloys
Temper: As Rolled
Light Tight: Light Tight
Hazard Pictogram: GHS07, GHS08
Nickel/Iron Alloy Foil (Light Tight) (Ni80/Fe20) is a foil product within Goodfellow's range. This nickel-iron alloy foil has a high permeability, as well as good mechanical strength and ductility. It is often used for magnetic shielding applications, for example to block external magnetic fields from sensitive electrical components. The light tight version is useful when the foil needs to fully block light for applications like photographic film packaging. Overall, this versatile nickel/iron alloy foil from Goodfellow provides valuable magnetic and optical properties.
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Technical Data Sheet Safety Data Sheet Tolerance Properties

Health hazard/Hazardous to the ozone layer

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Material Properties for Alloys

Magnetic Properties
Mechanical Properties
Electrical Properties
Thermal Properties
Magnetic Properties
Element Value
Initial permeability 30000
Maximum permeability 400000
Coercivity (Hc)( A m⁻¹ ) <0.02
Curie temperature( C ) 460
Saturation flux density( T ) 0.77
Mechanical Properties
Element Value
Elongation at break( % ) <38
Tensile strength( MPa ) 930
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 62
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 1445
Thermal conductivity( W m⁻¹ K⁻¹ ) 34.6@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12.9@20-100°C

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