Images are for guidance only and might not represent the final product.
Formula: Cu
Form: Foil (Light Tight)
Material: Copper
CAS Number: 7440-50-8
Commodity: Metals
Light Tight: Light Tight
Goodfellow offers light-tight copper foil with a maximum purity of 99.999% (5N). This specialized form combines copper's excellent conductivity with light-blocking properties. It's particularly valuable in applications requiring both high electrical performance and protection from light interference, such as in sensitive electronic equipment and photonic devices. In scientific research, it's crucial for experiments involving light-sensitive materials and in the development of advanced optoelectronic systems. The foil's high purity ensures minimal contamination in sensitive measurements, making it ideal for use in quantum optics experiments and advanced sensor development. Its potential in next-generation computing and communication technologies highlights its significance in cutting-edge research and industrial applications.
Technical Data Sheet Safety Data Sheet Tolerance Properties
each

We are collecting your products, please wait!...

Shipping restrictions and charges
may apply for some hazardous materials.

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 29
Crystal structure Face centred cubic
Electronic structure Ar 3d¹⁰ 4s¹
Valences shown 1, 2
Atomic weight( amu ) 63.546
Thermal neutron absorption cross-section( Barns ) 3.8
Photo-electric work function( eV ) 4.5
Natural isotope distribution( Mass No./% ) 65/ 30.8
Natural isotope distribution( Mass No./% ) 63/ 69.2
Atomic radius - Goldschmidt( nm ) 0.128
Ionisation potential( No./eV ) 4/ 55.2
Ionisation potential( No./eV ) 6/ 103
Ionisation potential( No./eV ) 1/ 7.73
Ionisation potential( No./eV ) 5/ 79.9
Ionisation potential( No./eV ) 3/ 36.8
Ionisation potential( No./eV ) 2/ 20.29
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.343
Poisson's ratio 0.343
Bulk modulus( GPa ) 137.8
Bulk modulus( GPa ) 137.8
Tensile modulus( GPa ) 129.8
Tensile modulus( GPa ) 129.8
Izod toughness( J m⁻¹ ) 68
Izod toughness( J m⁻¹ ) 58
Hardness - Vickers( kgf mm⁻² ) 87
Hardness - Vickers( kgf mm⁻² ) 49
Tensile strength( MPa ) 314
Tensile strength( MPa ) 224
Yield strength( MPa ) 270
Yield strength( MPa ) 54
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 1.69@20@20°C
Temperature coefficient( K⁻¹ ) 0.0043@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.76
Physical Properties
Element Value
Boiling point( C ) 2567
Density( gcm⁻³ ) 8.96@20°C
Thermal Properties
Element Value
Melting point( C ) 1083
Latent heat of evaporation( J g⁻¹ ) 4796
Latent heat of fusion( J g⁻¹ ) 205
Specific heat( J K⁻¹ kg⁻¹ ) 385@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 401@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 17@0-100°C

Can't find what you're looking for? For customized options

Other Customers Purchased
  1. Starting at $673.56

    each
    Discounts applied for volume purchases
    View Product