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Formula: Ag
Form: Thin Film
Material: Silver
CAS Number: 7440-22-4
Commodity: Precious Metals
Purity:
99.95%
Side 2:
10mm
Side 1:
10mm
Support:
Permanent Quartz 0.5mm
Silver Thin Film Sizes is a flexible polyester film coated with a thin layer of pure silver, offered within Goodfellow's range of specialty metals and materials. With high reflectivity across visible and infrared wavelengths, Silver Thin Film Sizes is available in 3 variations. Common applications include use as a reflective coating in optics, electronics, thermal insulation, and electromagnetic shielding.
Tolerances
Thin Film
| Thickness | ±30% |
|---|
Sizes
| Linear dimension | ±20% |
|---|
Material Properties for Precious Metals
Atomic 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 |
Mechanical Properties
| 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 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 1.63@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.0041@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 0.74 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 2212 |
| Density( gcm⁻³ ) | 10.5@20°C |
Thermal Properties
| 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 |
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