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Silver Spooled Wire

Available Configurations

Properties common to all products in this list

Commodity: Precious Metals Material: Silver Form: Wire Composition: Ag CAS Number: 7440-22-4
Purity Diameter Length Temper Options
99.9% to 99.997% 0.0125mm to 2mm 0.1m to 2000m Annealed, As Drawn, Half Hard, Hard

Need custom configurations? Please contact our Technical Solutions team.

Designed for precision and performance, Goodfellow's Silver Wire offers unmatched electrical and thermal conductivity - making it ideal for electronics, medical devices, clean energy systems, and scientific instrumentation. Manufactured from 99.9% to 99.997% pure silver, it is available in diameters from 0.0125 mm to 2 mm and lengths up to 2000 m, with temper options including annealed, as-drawn, half-hard, and hard. This flexibility ensures seamless integration into applications where conductivity, formability, and reliability are critical. Silver’s electrical and thermal conductivity ensures efficient signal transmission and heat dissipation in high-frequency circuits, RF components, and power electronics. Its high ductility allows drawing into ultra-fine gauges for micro-bonding, coil winding, and flexible interconnects. Naturally antimicrobial, silver wire is well-suited for implantable devices, surgical instruments, and hygiene-critical electronics. These properties make our silver wire the preferred choice for sensors, thermocouples, solar panels, and precision assemblies where conductivity, durability, and versatility are essential.
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Key Features

Silver wire possesses a combination of material characteristics that make it particularly well suited for electronics, medical devices, clean energy systems, and scientific instrumentation:


Exceptional Electrical Conductivity

Silver offers the highest electrical conductivity of any metal, making it ideal for circuit interconnects, RF components, relays, and precision sensors. Its low resistance also supports brazing and soldering in refrigeration, aerospace, and plumbing systems.


Excellent Thermal Conductivity

Silver's high thermal conductivity enables efficient heat dissipation in thermal fuses, power electronics, and heat-sensitive systems, helping maintain performance under demanding conditions.


High Malleability and Formability

Silver wire can be drawn into extremely fine gauges without cracking, allowing for intricate coil winding, microelectronic bonding, and precision assembly.


Antimicrobial Properties

Silver's natural antimicrobial activity makes silver wire suitable for surgical instruments, implantable devices, and hygiene-critical electronics where infection prevention and long-term biocompatibility are essential.


Low Surface Resistance

Due to its low surface resistance, silver wire is ideal for antennas, microwave components, and high-frequency signal paths, where conductivity and signal integrity are paramount.

Industrial Applications

High-purity silver wire is used across high-technology sectors for its unmatched electrical conductivity, thermal efficiency, and mechanical flexibility:

✦ Electronics & Signal Transmission
Used in high-performance connectors, circuit interconnects, and precision coils, where its ultra-low resistivity ensures efficient current flow and minimal signal loss.
✦ Thermal Management Systems
Employed in heat spreaders, RF components, and thermal interfaces, where its superior thermal conductivity supports rapid heat dissipation in compact and high-power devices.
✦ Flexible & Microelectronic Interconnects
Forms ultra-fine, crack-resistant conductive pathways in flexible circuits and micro-scale assemblies due to its high ductility and workability.
✦ Scientific & Vacuum Applications
Used in sensors, thermocouples, and vacuum-compatible components, where its low outgassing ensures reliable performance under extreme conditions.
✦ Medical & Antimicrobial Devices
Applied in implantable leads, biosensors, and sterilisation systems, where its natural antimicrobial properties support hygiene and long-term safety.

Mentions in Scientific Literature

Goodfellow's silver wire features prominently in research including but not exclusive to domains such as: Electrophoresis Electrode Preparation, used in the fabrication of electrodes for electrophoresis, a widely applied analytical method in biochemistry and molecular biology [1] . Material Resistivity Measurements, applied as electrodes for current-voltage (I–V) and resistivity measurements, critical for evaluating electrical properties in semiconductor and nanotechnology research [2–3] . Electrophysiology & Nanopipette Components, used as internal components in nanopipettes and as ground electrodes in slice electrophysiology, supporting studies in neuroscience and cellular activity [4] . Three-Electrode Cells for Corrosion Studies, employed in the construction of compact three-electrode cells, including Ag/AgCl reference electrodes, for detailed corrosion analysis in materials science [5–6] . Nanoparticle & Thin Film Synthesis, serving as a precursor in gas-phase condensation and thermal evaporation techniques to produce silver nanoparticles and thin films with tailored optical and electrical properties [7–8] . Cryogenic Sensor & Bolometer Enhancement, enhancing key electrical properties of silicon at cryogenic temperatures, significantly improving the performance of sensors and bolometers designed for low-temperature applications [9] . Implantable Biomedical Sensor Electrodes, used as reference electrodes in implantable sensors designed to detect infections in orthopaedic implants, valued for their electrical stability and reliable performance [10] .

Across these disciplines researchers have utilised our silver wires as fabrication electrodes for electrophoresis and biochemical analysis [1] , precision electrical contacts for resistivity and I–V characterisation in semiconductor research [2–3] , Ag/AgCl reference electrodes in corrosion and electroanalytical cells [5–6] , nanoparticle synthesis precursors for thin films with tailored optical properties [7–8] , and stable implantable sensor reference electrodes for orthopaedic infection monitoring [10] — applications that all benefit from silver's exceptional purity, electrical conductivity, and suitability for precision measurements and demanding experimental environments.

References & Citations

Click to expand
  1. Jesorka, A., Stepanyants, N., Zhang, H., Bahanur Örtmen, Bodil Hakonen, & Owe Orwar. (2011). Generation of phospholipid vesicle-nanotube networks and transport of molecules therein. Nature Protocols, 6(6), 791–805. https://doi.org/10.1038/nprot.2011.321
  2. Becker, H. M. (2014). Transport of Lactate: Characterization of the Transporters Involved in Transport at the Plasma Membrane by Heterologous Protein Expression in Xenopus Oocytes. Neuromethods, 25–43. https://doi.org/10.1007/978-1-4939-1059-5_2
  3. Lee, S.-H., Shin, M., Hwang, S., & Jang, J.-W. (2015). Unconventional but tunable phase transition above the percolation threshold by two-layer conduction in electroless-deposited Au nanofeatures on silicon substrate. Nanotechnology, 26(50), 505202. https://doi.org/10.1088/0957-4484/26/50/505202
  4. Arocas, O. (n.d.). Biophysical Properties and Gene Expression Profile of Single Periaqueductal Gray Neurons (Doctoral dissertation, UCL). https://discovery.ucl.ac.uk/id/eprint/10157063/2/Thesis_OriolPavon_221009_final.pdf
  5. Rahimi, E., Zhang, K., Kosari, A., Van, Axel Homborg, Terryn, H., Mol, A., & Yaiza Gonzalez-Garcia. (2024). Atmospheric corrosion of iron under a single droplet: A new systematic multi-electrochemical approach. Corrosion Science, 235, 112171–112171. https://doi.org/10.1016/j.corsci.2024.112171
  6. Lefrançois, P., Jérôme Santolini, & Stéphane Arbault. (2021). Electroanalysis at a Single Giant Vesicle Generating Enzymatically a Reactive Oxygen Species. Analytical Chemistry, 93(39), 13143–13151. https://doi.org/10.1021/acs.analchem.1c01208
  7. Sevilla, D., Carlos Sánchez, J., & Sevilla, L. (1998). Estudio de metales y sulfuros nanocristalinos preparados por evaporación en atmósfera de gas inerte. Instituto de Ciencia de Materiales. https://digital.csic.es/bitstream/10261/164911/1/Tesis%20JC%20Sanchez-Lopez_1998-final.pdf
  8. Flores-Camacho, J. M., G Weidlinger, Sun, L. D., K Schmidegg, M Hohage, D Primetzhofer, Bauer, P., & P Zeppenfeld. (2011). Growth and optical properties of Ag clusters deposited on poly(ethylene terephthalate). Nanotechnology, 22(27), 275710–275710. https://doi.org/10.1088/0957-4484/22/27/275710
  9. Lee, S.-H., Hwang, S., & Jang, J.-W. (2017). Giant Temperature Coefficient of Resistivity and Cryogenic Sensitivity in Silicon with Galvanically Displaced Gold Nanoparticles in Freeze-Out Region. ACS Nano, 11(2), 1572–1580. https://doi.org/10.1021/acsnano.6b07007
  10. Fiore, L., Mazzaracchio, V., Gosti, C., Duranti, L., Vitiello, R., Maccauro, G., & Arduini, F. (2024). Functionalized orthopaedic implant as pH electrochemical sensing tool for smart diagnosis of hardware infection. The Analyst, 149(11), 3085–3096. https://doi.org/10.1039/d4an00253a

Synonyms

Silver Spooled Wire Ag Wire High-Purity Silver Wire Silver Electrode Wire Conductive Silver Wire Fine Silver Wire Silver Bonding Wire

Material Properties

Atomic Properties
Mechanical Properties
Electrical Properties
Physical Properties
Thermal 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
each

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Available Configurations

Properties common to all products in this list

Commodity: Precious Metals Material: Silver Form: Wire Composition: Ag CAS Number: 7440-22-4

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%