Material Properties Elastomer- Natural Rubber (Vulcanized) admin May 20, 2016January 17, 2017 Material Properties for Elastomer- Natural Rubber (Vulcanized) Physical specifications of materials. Materials Elastomer- Description Natural Rubber (Vulcanized) Density g/cc 0.95 lb/in^3 0.0343 Hardness Brinell unless specified 65(Shore-A) Tensile Strength ultimate Mpa 28 Ksi 4.06 Yield Strength MPa Ksi Modulus of Elasticity Gpa 10^6 Psi Poisson’s Ratio 0.48 %Elongation at break 450 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 0.15 Btu/ft-h-F 0.0867052023 Specific Heat Cpacity J/g-K 0.44 Btu/lb-F 0.1056 Coefficient of thermal expansion 1E-6/K 225 1E-6/F 125.187969825 Electrical Resistivity Ohm-cm 10000000000000000