Material Properties Polypropylene (PP) 10% Glass Fiber Filled admin May 20, 2016January 17, 2017 Material Properties for Polypropylene (PP) 10% Glass Fiber Filled Physical specifications of materials. Materials Polypropylene (PP) Description 10% Glass Fiber Filled Density g/cc 1.18 lb/in^3 0.04265 Hardness Brinell unless specified 96(Rockwell-R) Tensile Strength ultimate Mpa 36 Ksi 5.22 Yield Strength MPa 41 Ksi 5.945 Modulus of Elasticity Gpa 3.75 10^6 Psi 0.54347826 Poisson’s Ratio %Elongation at break 250 %Reduction of area Izod Impact J 1.12 Ft-lb 0.826336 Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 0.24 Btu/ft-h-F 0.13872832368 Specific Heat Cpacity J/g-K Btu/lb-F Coefficient of thermal expansion 1E-6/K 51 1E-6/F 28.375939827 Electrical Resistivity Ohm-cm 1000000000000000