Material Properties Acetal Copolymer admin May 20, 2016January 17, 2017 Material Properties for Acetal Copolymer Physical specifications of materials. Materials Acetal Copolymer Description Density g/cc 1.36 lb/in^3 0.04915 Hardness Brinell unless specified 73(Rockwell-M) Tensile Strength ultimate Mpa 52 Ksi 7.54 Yield Strength MPa 52 Ksi 7.54 Modulus of Elasticity Gpa 2.3 10^6 Psi 0.3333333328 Poisson’s Ratio %Elongation at break 127 %Reduction of area Izod Impact J 3.8 Ft-lb 2.80364 Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 0.26 Btu/ft-h-F 0.15028901732 Specific Heat Cpacity J/g-K Btu/lb-F 0 Coefficient of thermal expansion 1E-6/K 87 1E-6/F 48.406014999 Electrical Resistivity Ohm-cm 100000