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Silver Foil (Light Tight)
Available Configurations
Properties common to all products in this list
| Purity | Thickness | Sides | Temper Options | Surface Finish Options | Production Method Options | Other Variants |
|---|---|---|---|---|---|---|
| 99.9% to 99.99% | 0.0025mm to 6mm | 10mm to 1000mm | Annealed, As Rolled | Polished on one side | Flattened | Non Light Tested |
Need custom configurations? Please contact our Technical Solutions team.
Key Features
Silver foil possesses a combination of material characteristics that make it particularly well suited for electronics, energy systems, optics, medical devices, and scientific instrumentation:
Highest Electrical and Thermal Conductivity
Silver is the most conductive metal, making silver foil ideal for high-performance electronics, EMI/RFI shielding, and thermal interface materials. It ensures minimal energy loss and efficient heat dissipation in demanding systems.
Exceptional Reflectivity and Optical Performance
Silver reflects up to 95% of visible light, making it indispensable in mirrors, solar reflectors, optical coatings, and light management films. Its optical clarity supports applications in sensors, imaging, and display technologies.
High Malleability and Ductility
Silver can be rolled into ultra-thin foils without cracking, enabling fine-feature patterning, flexible interconnects, and high-surface-area coverage in microelectronics, packaging, and advanced manufacturing.
Catalytic Activity in Chemical Processing
Silver acts as a catalyst in key industrial reactions, particularly in the production of ethylene oxide and formaldehyde — essential chemicals in plastics, textiles, and solvents. Silver foil and mesh forms are used in reactors for their efficiency and recoverability.
Photovoltaic and Energy Applications
Silver foil and pastes are essential in solar cells, where they collect and conduct electricity generated by sunlight. Their role in photovoltaic systems is critical to renewable energy infrastructure and efficiency.
Industrial Applications
High-purity silver foil is valued across advanced industries for its unmatched electrical and thermal conductivity, malleability, reflectivity, and antimicrobial properties:
- ✦ Electronics & Electrical Systems
- Used in precision electrical contacts, circuit interconnects, and EMI shielding, where its superior conductivity and low contact resistance ensure efficient signal transmission and minimal energy loss.
- ✦ Scientific Instrumentation & Vacuum Systems
- Employed in sputtering targets, X-ray reflectors, and vacuum components due to its high reflectivity, low outgassing, and stability under high vacuum and thermal cycling.
- ✦ Medical & Antimicrobial Applications
- Utilised in wound dressings, diagnostic sensors, and implantable devices for its natural antimicrobial properties, which help prevent infection and support healing.
- ✦ Thermal & Infrared Management
- Applied in thermal interface materials, infrared reflectors, and heat spreaders, where its high thermal conductivity and reflectivity enhance energy efficiency and thermal control.
- ✦ Battery & Energy Storage Technologies
- Used in advanced battery electrodes and current collectors, particularly in high-performance and miniaturised energy storage systems, where conductivity and chemical stability are critical.
Synonyms
Material Properties
| Element | Value |
|---|---|
| Atomic number | 47 |
| Crystal structure | Face centred cubic |
| Electronic structure | Kr 4d¹⁰ 5s¹ |
| Valences shown | 1-2,2 |
| Atomic weight( amu ) | 107.8682 |
| Thermal neutron absorption cross-section( Barns ) | 63.8 |
| Photo-electric work function( eV ) | 4.7 |
| Natural isotope distribution( Mass No./% ) | 107/ 51.83 |
| Natural isotope distribution( Mass No./% ) | 109/ 48.17 |
| Atomic radius - Goldschmidt( nm ) | 0.144 |
| Ionisation potential( No./eV ) | 2/ 21.5 |
| Ionisation potential( No./eV ) | 1/ 7.58 |
| Ionisation potential( No./eV ) | 3/ 34.8 |
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.367 |
| Poisson's ratio | 0.367 |
| Bulk modulus( GPa ) | 103.6 |
| Bulk modulus( GPa ) | 103.6 |
| Tensile modulus( GPa ) | 82.7 |
| Tensile modulus( GPa ) | 82.7 |
| Izod toughness( J m⁻¹ ) | 5 |
| Hardness - Vickers( kgf mm⁻² ) | 95 |
| Hardness - Vickers( kgf mm⁻² ) | 25 |
| Tensile strength( MPa ) | 330 |
| Tensile strength( MPa ) | 172 |
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 1.63@20°C |
| Temperature coefficient( K⁻¹ ) | 0.0041@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 0.74 |
| Element | Value |
|---|---|
| Boiling point( C ) | 2212 |
| Density( gcm⁻³ ) | 10.5@20°C |
| Element | Value |
|---|---|
| Melting point( C ) | 961.9 |
| Latent heat of evaporation( J g⁻¹ ) | 2390 |
| Latent heat of fusion( J g⁻¹ ) | 103 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 237@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 429@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 19.1@0-100°C |
Tolerances
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
| Linear dimension | <100mm | ±1mm |
| Linear dimension | >=100mm | +2 / -1% |