Material Properties Epoxy Unreinforced admin May 20, 2016January 17, 2017 Material Properties for Epoxy Unreinforced Physical specifications of materials. Materials Epoxy Description Unreinforced Density g/cc 1.2 lb/in^3 0.0434 Hardness Brinell unless specified 95R(Rockwell-M) Tensile Strength ultimate Mpa 70 Ksi 10.15 Yield Strength MPa 60 Ksi 8.7 Modulus of Elasticity Gpa 2.25 10^6 Psi 0.326086956 Poisson’s Ratio %Elongation at break 5 %Reduction of area Izod Impact J 0.3 Ft-lb 0.22134 Fracture Toughness Mpa(m)^0.5 0.6 Ksi(in)^0.5 0.54 Thermal conductivity W/m-K 0.2 Btu/ft-h-F 0.1156069364 Specific Heat Cpacity J/g-K 1 Btu/lb-F 0.24 Coefficient of thermal expansion 1E-6/K 100 1E-6/F 55.6390977 Electrical Resistivity Ohm-cm 1000000000000000