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Polyester-Insulated Gold Wire

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Composition: Au Form: Insulated Wire Material: Gold CAS Number: 7440-57-5 Commodity: Precious Metals Purity: 99.99% (4N) Insulation: Polyester
Polyester-Insulated Gold Wire offers a combination of electrical stability, thermal resistance, and mechanical strength, making it an exceptional choice for advanced electronic systems. The polyester coating provides a robust dielectric layer that is chemically stable and resistant to thermal degradation, enhancing its durability in demanding conditions. Gold as the core conductor contributes superior electrical conductivity and corrosion resistance, ensuring signal integrity over extended use. This wire is extensively applied in medical implants, microelectronic interconnects, and aerospace instrumentation, where miniaturization and biocompatibility are critical. Specifically, it is used in cortical neural interfaces, subdural electrodes, and precision circuit assemblies, where high reliability and low impedance are essential. Its role in long-term neural implantation research demonstrates its low inflammatory response and insulation stability within biological tissues. The wire's performance under high-voltage stress and in thermally challenging environments further emphasizes its reliability. Its importance lies in pushing the boundaries of implantable electronics and enabling next-generation neurotechnologies.
Starting at $183.00 each
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Material Properties

Atomic Properties
Element Value
Atomic number 79
Crystal structure Face centred cubic
Electronic structure Xe 4f¹⁴ 5d¹⁰ 6s¹
Valences shown 1,3
Atomic weight( amu ) 196.9665
Thermal neutron absorption cross-section( Barns ) 98.8
Photo-electric work function( eV ) 4.8
Atomic radius - Goldschmidt( nm ) 0.144
Ionisation potential( No./eV ) 1/ 9.22
Ionisation potential( No./eV ) 2/ 20.5
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.42
Poisson's ratio 0.42
Bulk modulus( GPa ) 171
Bulk modulus( GPa ) 171
Tensile modulus( GPa ) 78.5
Tensile modulus( GPa ) 78.5
Hardness - Vickers( kgf mm⁻² ) 20-30
Hardness - Vickers( kgf mm⁻² ) 60
Tensile strength( MPa ) 130
Tensile strength( MPa ) 220
Yield strength( MPa ) 205
Yield strength( MPa ) -
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 2.20@20°C
Temperature coefficient( K⁻¹ ) 0.004@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.74
Physical Properties
Element Value
Boiling point( C ) 3080
Density( gcm⁻³ ) 19.3@20°C
Thermal Properties
Element Value
Melting point( C ) 1064.4
Latent heat of evaporation( J g⁻¹ ) 1738
Latent heat of fusion( J g⁻¹ ) 64.9
Specific heat( J K⁻¹ kg⁻¹ ) 129@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 318@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 14.1@0-100°C
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Available Configurations

Properties common to all products in this list

Composition: Au Form: Insulated Wire Material: Gold CAS Number: 7440-57-5 Commodity: Precious Metals Purity: 99.99% (4N) Insulation: Polyester

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Tolerances

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