Material Properties Polyethylene – Molded Medium Density admin May 20, 2016January 17, 2017 Material Properties for Polyethylene – Molded Medium Density Physical specifications of materials. Materials Polyethylene – Molded Description Medium Density Density g/cc 0.938 lb/in^3 0.0339 Hardness Brinell unless specified 59(Shore-D) Tensile Strength ultimate Mpa 25 Ksi 3.625 Yield Strength MPa 15 Ksi 2.175 Modulus of Elasticity Gpa 0.5 10^6 Psi 0.072463768 Poisson’s Ratio %Elongation at break 550 %Reduction of area Izod Impact J 4.8 Ft-lb 3.54144 Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 0.35 Btu/ft-h-F 0.2023121387 Specific Heat Cpacity J/g-K 2.2 Btu/lb-F 0.528 Coefficient of thermal expansion 1E-6/K 27 1E-6/F 15.022556379 Electrical Resistivity Ohm-cm 1000000000000000