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Formula: Cu 98/Be 2
Form: Insulated Wire
Material: Copper/Beryllium
Commodity: Alloys
Insulation: Polyimide
Temper: Hard

Polyimide-Insulated Copper/Beryllium Alloy Wire (Cu98/Be2)

Polyimide-Insulated Copper/Beryllium Alloy Wire (Cu98/Be2) combines the high electrical conductivity and fatigue strength of copper-beryllium alloy with the thermal stability and chemical resistance of polyimide insulation. It is valued for its mechanical resilience, spring-like behavior, and ability to maintain conductivity under mechanical stress, making it suitable for aerospace, defense, and precision instrumentation applications. Specific uses include high-reliability connectors, spring contacts in high-vibration environments, and precision sensor wiring. In research, it is utilized for studies on alloy creep resistance, conductor fatigue life, and insulation behavior under dynamic loading. The combination of mechanical robustness, stable conductivity, and polyimide’s protective qualities ensures dependable performance in demanding operational and experimental environments.

Acute toxicity

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Tolerances

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

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 100-360
Elongation at break( % ) 50
Modulus of elasticity( GPa ) 120-160
Tensile strength( MPa ) 500-1300
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 5.4-11.5
Temperature coefficient( K⁻¹ ) 0.001-0.0018
Thermal Properties
Element Value
Melting point( C ) 860-1000
Thermal conductivity( W m⁻¹ K⁻¹ ) 60-120@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 17@25-300°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.25

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