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Sterling Silver Alloy Foil (Light Tight) (Ag92.5/Cu 7.5)

Formula: Ag 92.5/Cu 7.5
Form: Foil (Light Tight)
Material: Sterling Silver Alloy
Commodity: Precious Metals
Temper: As Rolled
Thickness: 0.5mm
Light Tight: Light Tight
Sterling Silver Alloy Foil (Light Tight) (Ag92.5/Cu 7.5) is a thin foil of silver-copper alloy that blocks visible light transmission. This foil contains 92.5% silver and 7.5% copper, providing high thermal and electrical conductivity along with antimicrobial properties. With excellent ductility, Sterling Silver Alloy Foil is used in electrical shielding for sensitive components as well as decorative finishes in the jewelry, luxury goods, and food service industries where tarnish resistance is paramount.
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Material Properties for Precious Metals

Mechanical Properties
Electrical Properties
Thermal Properties
Physical Properties
Mechanical Properties
Element Value
Elongation at break( % ) <41
Hardness - Vickers( kgf mm⁻² ) 71
Tensile strength( MPa ) 207
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 1.8
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 788-891
Specific heat( J K⁻¹ kg⁻¹ ) 245@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 19@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 10.4

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