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Gold/Tin Alloy Foil (Light Tight) (Au80/Sn20)

Gold/Tin Alloy Foil (Light Tight) (Au80/Sn20) is a thin, flexible foil that combines gold's corrosion resistance with tin's strength and solderability. Produced by Goodfellow, this foil comes in 13 variations that differ in thickness, temper and surface finish to suit different applications. Its uses include being used for high-end packaging, electronics shielding, decorative coatings and chemical/radiation barriers in scientific instruments. With numerous options available, Gold/Tin Alloy Foil (Light Tight) (Au80/Sn20) enables lightweight, durable solutions across industries.
Thickness: 0.05mm
Temper: As Rolled
Length 1: 10mm
Length 2: 10mm
Technical Name: Gold/Tin
Formula: Au80/Sn20
Density: 14.5g/cm³
UOM Code: 681-972-27
SKU: 1000034577
Product Code: AU06-FL-000131
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$375.80
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Technical Data Sheet
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Material Properties for Precious Metals

Thermal Properties
Element Value
Melting point( C ) 280
Thermal conductivity( W m⁻¹ K⁻¹ ) 57@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 16@20-100°C
Mechanical Properties
Element Value
Shear strength( MPa ) 270-280
Tensile strength( MPa ) 270-280
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