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Radel Polyethersulfone

View Data Table for Radel
MECHANICAL Units ASTM Test Method Radel A Extruded Polyethersulfone Radel R R-550 Extruded Polyethersulfone
Strength to Weight Ratio ksi - - -
Specific Gravity @73 F - D792 1.37 1.29
Tensile Strength @73 F, (ult)/(yld) psi D638 Tensile Strength12200 (yld) 11000 (ult)
Tensile Modulus of Elasticity @ 73 F psi D638 Modulus385000 340000
Tensile Elongation at Break @ 73 F % D638 40-80 30
Flexural Strength @ 73 F psi D790 18700 15500
Flexural Modulus of Elasticity @ 73 F psi D790 377000 345000
Shear Strength @ 73 F psi D732 - 9000
Compressive Strength, (% Deformation) @73 F psi D695 - 13400 (10)
Compressive Modulus of Elasticity @73 F psi D695 - 280000
Hardness, Rockwell, Scale as noted @73 F - D785 M88 M80 (R120)
Hardness, Durometer, Shore D @73 F - D2240 - D80
Izod Impact, (Notched) @73 F ft-lb/in of notch D256 TypeA 1.6 2.5
Coefficient of Friction, (Dry vs. Steel) Dynamic - - - -
Limiting PV, (with 4 to 1 factor of safety applied) psi-ft/min - - -
THERMAL
Coefficient of Linear Thermal Expansion @73 F in/in/F E-831 (TMA) 2.7E-05 3.1E-05
Heat Deflection Temperature @ 264 psi F D648 397 405
Tg-Glass transition temperature, (Amorphous) F D3418 - 428
Melting Point, (VS=Vicat Softening Temp.) F D3418 439(VS) -
Continuous Service Temperature in Air, (Max.) F - 356 300
Thermal Conductivity BTU-in/hr-ft2-F - - 2.4
ELECTRICAL
Dielectric Strength, Short Term Volts/mil D149 383 360
Volume Resistivity ohm-cm D257 1.0E+17 >1E15
Dielectric Constant @ 10E6 Hz - D150
-
3.4
Dissipation Factor @ 10E6 Hz - D150 - 0.002
Flammability @ 3.1 mm unless noted - UL94 V-0 (0.5mm) V-0
H2O
Water Absorbtion, Immersion, 24 Hrs % by wt. D570(7) 0.54 0.37
Water Absorbtion, Saturation % by wt. D570(7) - 1.10

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