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Polyimide Constantan® Thermocouple Insulated Wire

Polyimide Constantan® thermocouple insulated wire is designed for temperature measurements in high-temperature and chemically challenging environments. Its polyimide insulation provides excellent thermal stability, supporting applications up to 260–300°C, depending on conditions. Commonly used in aerospace, industrial processes, and materials testing, the wire offers stable thermoelectric properties and high durability, ensuring reliable temperature monitoring (±1–2°C accuracy). It is widely applied in automotive testing, electronic component monitoring, and thermometry systems. Researchers use this wire for temperature calibration, sensor technology development, and thermal analysis in precision applications for laboratories and manufacturing.
Formula: Cu55/Ni45
Conductor Diameter: 0.1mm
Insulation: Polyimide
Insulation Thickness: 0.01mm
Length: 0.1m
Product Shape: Thermocouple (May Be Used As One Component)
UOM Code: 517-759-71
SKU: 1000058361
Product Code: CU04-SW-000140

Tolerances

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

Health hazard/Hazardous to the ozone layer

Serious health hazard

Tolerances

Insulated Wire
Conductor Diameter ±10%
Insulation Thickness Nominal
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet
£103.68
each
  • Buy 5 for £83.98 each and save 19%
  • Buy 10 for £76.72 each and save 26%
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Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 100-300
Elongation at break( % ) 45
Modulus of elasticity( GPa ) 162
Izod impact strength( J m⁻¹ ) 107
Tensile strength( MPa ) 400-590
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 52
Temperature coefficient( K⁻¹ ) 0.00002+/-
Thermal Properties
Element Value
Maximum use temperature in air( C ) 500
Melting point( C ) 1225-1300
Thermal conductivity( W m⁻¹ K⁻¹ ) 19.5@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 14.9@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.9
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