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Duratron Polyimide Specs

        Duratron HP
    Units ASTM Test Method High Purity Polyimide
MECHANICAL Strength to Weight Ratio ksi -  
Specific Gravity @73 F - D792 1.34
Tensile Strength @73 F, (ult)/(yld) psi D638 13500 (ult)
Tensile Modulus of Elasticity @ 73 F psi D638 578000
Tensile Elongation at Break @ 73 F % D638 3
Flexural Strength @ 73 F psi D790 23000
Flexural Modulus of Elasticity @ 73 F psi D790 530000
Shear Strength @ 73 F psi D732 -
Compressive Strength, (% Deformation) @73 F psi D695 19000 (10)
Compressive Modulus of Elasticity @73 F psi D695 410000
Hardness, Rockwell, Scale as noted @73 F - D785 M120
Hardness, Durometer, Shore D @73 F - D2240 -
Izod Impact, (Notched) @73 F ft-lb/in of notch D256 TypeA 0.6
Coefficient of Friction, (Dry vs. Steel) Dynamic - - 0.23
Limiting PV, (with 4 to 1 factor of safety applied) psi-ft/min - 32500
THERMAL Coefficient of Linear Thermal Expansion @73 F in/in/F E-831 (TMA) 2.0E-05
Heat Deflection Temperature @ 264 psi F D648 592
Tg-Glass transition temperature, (Amorphous) F D3418 613
Melting Point, (VS=Vicat Softening Temp.) F D3418 -
Continuous Service Temperature in Air, (Max.) F - 580
Thermal Conductivity BTU-in/hr-ft2-F - 1.53
ELECTRICAL Dielectric Strength, Short Term Volts/mil D149 -
Volume Resistivity ohm-cm D257 >1E14
Dielectric Constant @ 10E6 Hz - D150 -
Dissipation Factor @ 10E6 Hz - D150 -
Flammability @ 3.1 mm unless noted - UL94 V-0
H20 Water Absorbtion, Immersion, 24 Hrs % by wt. D570(7) 0.62
Water Absorbtion, Saturation % by wt. D570(7) -

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