Material Properties Elastomer- Natural Rubber (Not Vulcanized) admin May 20, 2016January 17, 2017 Material Properties for Elastomer- Natural Rubber (Not Vulcanized) Physical specifications of materials. Materials Elastomer- Description Natural Rubber (Not Vulcanized) Density g/cc 0.93 lb/in^3 0.0336 Hardness Brinell unless specified 60(Shore-A) Tensile Strength ultimate Mpa 28 Ksi 4.06 Yield Strength MPa Ksi Modulus of Elasticity Gpa 10^6 Psi Poisson’s Ratio %Elongation at break 500 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 0.14 Btu/ft-h-F 0.08092485548 Specific Heat Cpacity J/g-K 0.45 Btu/lb-F 0.108 Coefficient of thermal expansion 1E-6/K 666 1E-6/F 370.556390682 Electrical Resistivity Ohm-cm 1000000000000000