Material Properties Polyacetal admin May 20, 2016January 17, 2017 Material Properties for Polyacetal Physical specifications of materials. Materials Polyacetal Description Density g/cc 1.39 lb/in^3 0.0502 Hardness Brinell unless specified 78(Rockwell-M) Tensile Strength ultimate Mpa 60 Ksi 8.7 Yield Strength MPa 69 Ksi 10.005 Modulus of Elasticity Gpa 2.4 10^6 Psi 0.3478260864 Poisson’s Ratio 0.35 %Elongation at break 105 %Reduction of area Izod Impact J 5.2 Ft-lb 3.83656 Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 0.31 Btu/ft-h-F 0.17919075142 Specific Heat Cpacity J/g-K Btu/lb-F 0 Coefficient of thermal expansion 1E-6/K 135 1E-6/F 75.112781895 Electrical Resistivity Ohm-cm 100000000000000