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Hydex Polybutalyeneterephalate

View Data Table for Hydex Polybutalyeneterephalate
- - - Hydex 4101 PBT Hydex 4101L
MECHANICAL Units ASTM Test Method Polybutalyeneterephalate PTFE-Filled Polybutalyeneterephalate
Strength to Weight Ratio ksi - - -
Specific Gravity @73 F - D792 1.36 1.36
Tensile Strength @73 F, (ult)/(yld) psi D638 7500 (yld) 7200 (yld)
Tensile Modulus of Elasticity @ 73 F psi D638 377000 380000
Tensile Elongation at Break @ 73 F % D638 200 40
Flexural Strength @ 73 F psi D790 12000 -
Flexural Modulus of Elasticity @ 73 F psi D790 420000 390000
Shear Strength @ 73 F psi D732 - -
Compressive Strength, (% Deformation) @73 F psi D695 12800 (10) -
Compressive Modulus of Elasticity @73 F psi D695 - -
Hardness, Rockwell, Scale as noted @73 F - D785 M72 -
Hardness, Durometer, Shore D @73 F - D2240 - -
Izod Impact, (Notched) @73 F ft-lb/in of notch D256 TypeA 1.0 0.7
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) 7.8E-05 -
Heat Deflection Temperature @ 264 psi F D648 200 195
Tg-Glass transition temperature, (Amorphous) F D3418 - -
Melting Point, (VS=Vicat Softening Temp.) F D3418 428 -
Continuous Service Temperature in Air, (Max.) F - 221 221
Thermal Conductivity BTU-in/hr-ft2-F - - -
ELECTRICAL
Dielectric Strength, Short Term Volts/mil D149 400 -
Volume Resistivity ohm-cm D257 1.0E+16 -
Dielectric Constant @ 10E6 Hz - D150
-
 -
Dissipation Factor @ 10E6 Hz - D150 0.001 -
Flammability @ 3.1 mm unless noted - UL94 HB -
H2O
Water Absorbtion, Immersion, 24 Hrs % by wt. D570(7) 0.08 0.07
Water Absorbtion, Saturation % by wt. D570(7) 0.50 -

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