Material Properties Epoxy Silica Filled admin May 20, 2016January 17, 2017 Material Properties for Epoxy Silica Filled Physical specifications of materials. Materials Epoxy Description Silica Filled Density g/cc 1.8 lb/in^3 0.065 Hardness Brinell unless specified 100(Rockwell-M) Tensile Strength ultimate Mpa 70 Ksi 10.15 Yield Strength MPa 70 Ksi 10.15 Modulus of Elasticity Gpa 10^6 Psi Poisson’s Ratio %Elongation at break 2 %Reduction of area Izod Impact J 0.2 Ft-lb 0.14756 Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 0.6 Btu/ft-h-F 0.3468208092 Specific Heat Cpacity J/g-K 1 Btu/lb-F 0.24 Coefficient of thermal expansion 1E-6/K 55 1E-6/F 30.601503735 Electrical Resistivity Ohm-cm 100000000000000