Material Properties C-Glass Fiber Generic admin May 20, 2016January 17, 2017 Material Properties for C-Glass Fiber Generic Physical specifications of materials. Materials C-Glass Fiber Generic Description Density g/cc 2.54 lb/in^3 0.09175 Hardness Brinell unless specified Tensile Strength ultimate Mpa 3310 Ksi 479.95 Yield Strength MPa Ksi Modulus of Elasticity Gpa 69 10^6 Psi 9.999999984 Poisson’s Ratio 0.276 %Elongation at break 4.8 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 1.1 Btu/ft-h-F 0.6358381502 Specific Heat Cpacity J/g-K 0.787 Btu/lb-F 0.18888 Coefficient of thermal expansion 1E-6/K 6.3 1E-6/F 3.5052631551 Electrical Resistivity Ohm-cm 40000000000