PI

Polyimide

Young's modulus 3150 MPa
Tensile strength 82.5 MPa
Elongation 6 %
Compressive strength 165 MPa
Fatigue 20 MPa
Bending strength 115 MPa
Hardness 96 Rockwell
Impact strength 3.75 J/cm
Yield strength 73 MPa
Thermal expansion 45 E-6/K
Thermal conductivity 0.535 W/m*K
Specific heat 1140 J/kg*K
Melting temperature none °C
Glass temperature >400 °C
Minimum service temperature -240 °C
Maximum service temperature 250 °C
Density 1415 kg/m3
Resistivity 1E+21 Ohm*mm2/m
Breakdown potential 22 kV/mm
Dielectric loss factor 0.0026
Friction coefficient 0.29
Refraction index 1.78
Shrinkage 1 %
Water absorption 0.27 %