Physical Properties Metric English Comments Density 1.01 g/cc 0.0365 lb/in3 ISO 1183 Water Absorption at Saturation 1.5 % 1.5 % ISO 62 Mechanical Properties Metric English Comments Hardness, Shore D 68 68 ISO 868 Tensile Strength at Break 39.0 MPa 5660 psi ISO 527-1/-2 Tensile Strength, Yield 27.0 MPa 3920 psi 50% strain; ISO 527-1/-2 31.0 MPa 4500 psi ISO 527-1/-2 Elongation at Break >= 200 % >= 200 % ISO 527-1/-2 Elongation at Yield 19 % 19 % ISO 527-1/-2 Tensile Modulus 0.700 GPa 102 ksi ISO 527-2/1A Charpy Impact Unnotched NB @Temperature 23.0 °C NB @Temperature 73.4 °F ISO 179/1eU NB @Temperature -30.0 °C NB @Temperature -22.0 °F ISO 179/1eU Charpy Impact, Notched 0.600 J/cm2 @Temperature -30.0 °C 2.86 ft-lb/in2 @Temperature -22.0 °F ISO 179/1eA 3.30 J/cm2 @Temperature 23.0 °C 15.7 ft-lb/in2 @Temperature 73.4 °F ISO 179/1eA Electrical Properties Metric English Comments Volume Resistivity 1.00e+11 ohm-cm 1.00e+11 ohm-cm IEC 60093 Surface Resistance 1.00e+13 ohm 1.00e+13 ohm IEC 60093 Dielectric Constant 4.6 @Frequency 1.00e+6 Hz 4.6 @Frequency 1.00e+6 Hz ISO 60250 7.4 @Frequency 100 Hz 7.4 @Frequency 100 Hz ISO 60250 Dielectric Strength 30.0 kV/mm 762 kV/in K20/P50; IEC 60423-1 Dissipation Factor 0.076 @Frequency 1.00e+6 Hz 0.076 @Frequency 1.00e+6 Hz IEC 60250 0.15 @Frequency 100 Hz 0.15 @Frequency 100 Hz IEC 60250 Comparative Tracking Index 600 V 600 V IEC 60093 Thermal Properties Metric English Comments CTE, linear, Parallel to Flow 160 μm/m-°C @Temperature 23.0 - 55.0 °C 88.9 μin/in-°F @Temperature 73.4 - 131 °F ISO 11359 CTE, linear, Transverse to Flow 160 μm/m-°C @Temperature 23.0 - 55.0 °C 88.9 μin/in-°F @Temperature 73.4 - 131 °F ISO 11359 Deflection Temperature at 0.46 MPa (66 psi) 100 °C 212 °F ISO 75 Deflection Temperature at 1.8 MPa (264 psi) 45.0 °C 113 °F ISO 75 Vicat Softening Point 130 °C @Load 5.10 kg 266 °F @Load 11.2 lb Method B; ISO 306 170 °C @Load 1.02 kg 338 °F @Load 2.25 lb Method A; ISO 306 Flammability, UL94 HB @Thickness 1.60 mm HB @Thickness 0.0630 in IEC 60695 Descriptive Properties Viscosity Number 190 cm3/g ISO 307