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Thermoplastic Polyimide (PI)

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Thermoplastic
Polyimide (PI)
Property Value in metric unit Value in US unit
Density 1.38 *10³ kg/m³ 86.1 lb/ft³
Modulus of elasticity 3.1 GPa 440 ksi
Tensile strength 96 MPa 14000 psi
Elongation 7 % 7 %
Flexural strength 143 MPa 21000 psi
Thermal expansion (20 ºC) 43*10-6 ºCˉ¹ 24*10-6 in/(in* ºF)
Thermal conductivity 0.40 W/(m*K) 2.77 BTU*in/(hr*ft²*ºF)
Glass transition temperature 320 ºC 608 ºF
Maximum work temperature 380 ºC 720 ºF
Dielectric constant 3.5 - 3.5 -
  • Excellent rigidity;
  • Very high strength;
  • Very high toughness;
  • Excellent thermal resistance;
  • High resistance to ionizing radiation.

Applications: aerospace components, high temperature resistant foams, chemical fibers, arc welding torches.

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thermoplastic_polyimide_pi.txt · Last modified: 2023/12/14 by dmitri_kopeliovich
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