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Formula: Cu
Form: Foil (Light Tight)
Material: Copper
CAS Number: 7440-50-8
Commodity: Metals
Light Tight:
Light Tight
Copper Foil (Light Tight) is available in 218 thickness variations. This copper foil is impermeable to light, making it ideal for applications requiring complete light blocking such as scientific optical equipment, photography darkrooms and astronomical observatories. With high ductility and excellent thermal and electrical conductivity, Copper Foil enables innovative product designs where durability, efficiency and precision are critical. The wide range of thicknesses we offer, from 0.0125mm to 3mm, allows customization for specific light blocking needs across industries.
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 |
Other Customers Purchased
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6-4 Plate Titanium Foil (Light Tight) Grade: 6-4 Plate
Formula: Ti
Thickness: 25mm
Length 1: 278mm
Length 2: 278mm
CAS Number: 7440-32-6
UOM Code: 929-338-86
eachStarting at £0.00
Discounts applied for volume purchases -
Platinum/Rhodium Alloy Foil (Light Tight) (Pt60/Rh40) Formula: Pt60/Rh40
Temper: As Rolled
Thickness: 0.125mm
Length 1: 25mm
Length 2: 25mm
UOM Code: 742-121-52
eachStarting at £2,690.94
Discounts applied for volume purchases -
Tungsten/Copper Alloy Foil (Light Tight) (W 80/Cu20) Formula: W 80/Cu20
Thickness: 3mm
Length 1: 100mm
Length 2: 100mm
UOM Code: 473-210-07
eachStarting at £255.95
Discounts applied for volume purchases -
Tin/Lead/Silver Alloy Foil (Light Tight) (Sn62/Pb36/Ag2) Formula: Sn62/Pb36/Ag2
Temper: As Rolled
Thickness: 0.5mm
Length 1: 15mm
Length 2: 15mm
UOM Code: 986-630-91
eachStarting at £208.39
Discounts applied for volume purchases -
Selenium Foil (Light Tight) Formula: Se
Percentage Purity: 99.95%
Thickness: 3mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7782-49-2
UOM Code: 663-952-12
eachStarting at £1,032.37
Discounts applied for volume purchases -
Terbium Foil (Light Tight) Formula: Tb
Percentage Purity: 93%
Temper: As Rolled
Thickness: 0.6mm
Length 1: 50mm
Length 2: 50mm
UOM Code: 436-560-65
eachStarting at £0.00
Discounts applied for volume purchases
