Material Properties Carbon Fiber Precursor admin May 20, 2016January 17, 2017 Material Properties for Carbon Fiber Precursor Physical specifications of materials. Materials Carbon Fiber Precursor Description Density g/cc 1.81 lb/in^3 0.0654 Hardness Brinell unless specified Tensile Strength ultimate Mpa 5650 Ksi 819.25 Yield Strength MPa Ksi Modulus of Elasticity Gpa 290 10^6 Psi 42.02898544 Poisson’s Ratio %Elongation at break 1.8 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 15 Btu/ft-h-F 8.67052023 Specific Heat Cpacity J/g-K Btu/lb-F Coefficient of thermal expansion 1E-6/K -0.75 1E-6/F -0.41729323275 Electrical Resistivity Ohm-cm 0.00145