Property ASTM Method Unit 2100 10% GF 2200 20% GF 2300 30% GF 2400 40% GF
Mechanical/Physical
Specific Gravity D-792   1.34 1.42 1.51 1.61
Water Absorption, 24 Hr., 23°C D-570 % 0.21 0.19 0.16 0.13
Tensile Strength, 23°C, Type I, 0.125", Yield D-638 psi 16,600 20,100 24,500 27,000
Elongation, 23°C, Type I, 0.125", Break D-638 % 6 3 3 2.5
Compressive Strength, 23°C D-695 psi 22,000 28,700 30,700 31,800
Impact Strength, 23°C, Notched Izod D-256 ft-lb/in 1.1 1.6 2 2.1
Flexural Modulus, 23°C, 0.125" D-790 psi 650,000 900,000 1,300,000 1,700,000
Flexural Strength, 23°C, 0.125", Break D-790 psi 28,000 30,000 33,000 36,000
Shear Strength D-732 psi 13,000 13,500 14,000 15,000
Rockwell Hardness, M scale D-785 M 114 114 114 114
Thermal
Vical Softening Temperature, Rate B D-1525 °C 223 220 228 234
HDT, 66 psi, 0.250", unannealed D-648 °C 210 210 212 216
HDT, 264 psi, 0.250", unannealed D-648 °C 207 209 210 213
CTE, flow, (0-300°F) E-831 in/in/°F 1.8X10-5 1.4X10-5 1.1X10-5 0.8X10-5
Oxygen Index (LOI) D-2863 % 47 50 50 54
Flammability (0.25-0.41 mm thickness) UL 94   V-0 V-0 V-0 V-0
Electrical
Arc Resistance, Tungsten D-495 seconds   85 85 125
Volume Resistivity D-257 ohm-cm 1X1017 7X1016 3X1016 1.5X1016
Dielectric Strength, in oil, 62 mils D-149 Volts/mil 700 670 630 610
Dielectric Constant, 1 kHz D-150   3.5 3.5 3.7 3.7
Dissipation Factor, 1 kHz D-150   0.0014 0.0015 0.0015 0.002