PTFE-Insulated Silver Wire

PTFE-Insulated Silver Wire combines silver’s highest electrical conductivity of all metals with PTFE’s exceptional dielectric properties, low friction, and resistance to heat and chemicals. The insulation ensures minimal signal loss, corrosion resistance, and reliability under high-frequency or high-voltage conditions. Industries use this wire in aerospace communication systems, precision instrumentation, and medical electronics. Specific applications include RF transmission lines, corrosion-proof sensor leads, and wiring for sterilizable diagnostic equipment. In research, it is used to study high-frequency propagation in polymer-insulated conductors, evaluate insulation behavior under rapid thermal cycling, and develop ultra-low-loss cables for sensitive measurement systems. The combination of silver’s conductivity and PTFE’s protection delivers unparalleled electrical performance for mission-critical 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