Polyester-Insulated Silver Wire

Polyester-Insulated Silver Wire merges the exceptional electrical conductivity and corrosion resistance of silver with the dielectric protection and thermal endurance of a polyester coating. This combination is particularly suited for high-frequency, low-loss signal transmission and corrosive environments. Industries such as aerospace, telecommunications, and scientific instrumentation use it in RF circuits, precision sensor wiring, and aerospace-grade connectors. Specific applications include high-frequency antenna leads, instrumentation in corrosive atmospheres, and low-resistance interconnects in precision systems. In research, it is used in studies on conductor surface effects at high frequencies, insulation breakdown mechanisms, and reliability testing under environmental cycling. The wire’s blend of electrical excellence and protective insulation ensures it meets the needs of the most demanding industrial and scientific applications.

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Tolerance

Properties

Reference & Citations

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Tolerances

Insulated Wire

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

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