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Borosilicate glass Silver Ultrafine Insulated Wire

Borosilicate glass Silver Ultrafine Insulated Wire is one of Goodfellow's wide range of wires and filaments. This wire features a silver core coated with a borosilicate glass coating. With 16 variations, properties like diameter and thickness can be customized for different applications. This wire is valued for its high temperature resistance and low thermal expansion. It finds use in scientific instruments, electrical feedthroughs, and other applications demanding stability across a wide temperature range.

Formula: Ag
Percentage Purity: 99.9%
Conductor Diameter: 0.004mm
Insulation: Borosilicate glass
Insulation Thickness: 0.0055mm
Length: 5m
Product Shape: Ultrafine
CAS Number: 7440-22-4
UOM Code: 553-709-87

SKU: 1000008087

Product Code: AG00-SW-000174

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Tolerances

Insulated Wire

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

Tolerances

Insulated Wire

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

Technical Data Sheet

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Safety Data Sheet

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US$1,518.11

each

Buy 5 for US$1,229.67 each and save 19%
Buy 10 for US$1,123.40 each and save 26%

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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

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Borosilicate glass Silver Ultrafine Insulated Wire

Tolerances

Tolerances

Material Properties for Precious Metals