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Nickel Silver Alloy Foil (Light Tight) (Cu62/Ni18/Zn20)

Formula: Cu 62/Ni 18/Zn 20
Form: Foil (Light Tight)
Material: Nickel Silver Alloy
Commodity: Alloys
Light Tight: Light Tight
Hazard Pictogram: GHS07, GHS08
Nickel Silver Alloy Foil (Light Tight) (Cu62/Ni18/Zn20) is a high-performance foil offered in Goodfellow's range of nickel silver alloy products. With a composition of 62% copper, 18% nickel, and 20% zinc, this foil exhibits properties such as high strength, good corrosion resistance, excellent brazeability, and low gas permeability. Applications of this versatile foil include use in electrical connectors, springs, fasteners, and seals requiring a non-magnetic, sterling silver appearance. The airtight and light blocking properties also make this an ideal material for packaging in the pharmaceutical and food industries.
Technical Data Sheet Safety Data Sheet Tolerance Properties

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Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 75-190
Elongation at break( % ) 45
Modulus of elasticity( GPa ) 120-135
Izod impact strength( J m⁻¹ ) 110-130
Shear strength( MPa ) 290-400
Tensile strength( MPa ) 400-700
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 29
Temperature coefficient( K⁻¹ ) 0.0003
Thermal Properties
Element Value
Melting point( C ) 1060-1110
Thermal conductivity( W m⁻¹ K⁻¹ ) 28@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 16-17.1@25-300°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.72

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