Polyimide Constantan® Thermocouple Insulated Wire

Formula: Cu 55/Ni 45

Form: Insulated Wire

Material: Constantan®

Commodity: Alloys

Insulation: Polyimide

Hazard Pictogram: GHS07,GHS08

Polyimide Constantan® Thermocouple Insulated Wire is a product offered by Goodfellow within their range of more than 107 variations of insulated wire. The wire consists of a Constantan alloy conductor with a polyimide insulation. The alloy provides low thermal variation of its resistivity and high thermal conductivity. The polyimide insulation offers high temperature resistance, chemical inertness, and dielectric strength. Polyimide Constantan wires find uses in applications requiring rugged conductors with stable electrical properties, such as resistance strain gauges, thermocouples, and heating elements. The wide selection of sizes and insulation thicknesses from Goodfellow allows for flexibility in designing for these and other applications.

Wishlist

Technical Data Sheet Safety Data Sheet Tolerance Properties

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Insulated Wire

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

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