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Borosilicate Glass-Insulated Ultrafine Silver Wire

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Composition: Ag Form: Insulated Wire Material: Silver CAS Number: 7440-22-4 Commodity: Precious Metals Purity: 99.9% Insulation: Borosilicate glass
Borosilicate Glass-Insulated Ultrafine Silver Wire combines the exceptional electrical conductivity of silver with the thermal stability, dielectric strength, and chemical resistance of borosilicate glass insulation. The ultrafine nature of the conductor allows for high-density wiring in miniature and precision systems while maintaining insulation integrity in extreme environments. This material is widely used in aerospace, defense, and advanced instrumentation, where reliable signal integrity under thermal cycling and mechanical stress is critical. Specific applications include high-frequency transmission lines in spacecraft electronics, precision sensing elements in cryogenic instruments, and embedded conductive networks in glass-based photonic devices. Its combination of superior conductivity, environmental resilience, and miniaturization capability positions it as a vital material for innovation in scientific and industrial high-performance applications.
Starting at $366.00 each
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Material Properties

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°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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Available Configurations

Properties common to all products in this list

Composition: Ag Form: Insulated Wire Material: Silver CAS Number: 7440-22-4 Commodity: Precious Metals Purity: 99.9% Insulation: Borosilicate glass

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Tolerances

Insulated Wire
Conductor Diameter ±10%
Insulation Thickness Nominal
Length +5% / -1%