Material Properties Polymethyl Methacrylate (PMMA) Glass Fiber Reinforced admin May 20, 2016January 17, 2017 Material Properties for Polymethyl Methacrylate (PMMA) Glass Fiber Reinforced Physical specifications of materials. Materials Polymethyl Methacrylate (PMMA) Description Glass Fiber Reinforced Density g/cc 1.445 lb/in^3 0.0522 Hardness Brinell unless specified 110(Rockwell-R) Tensile Strength ultimate Mpa 107 Ksi 15.515 Yield Strength MPa Ksi 0 Modulus of Elasticity Gpa 9.2 10^6 Psi 1.3333333312 Poisson’s Ratio %Elongation at break 7.8 %Reduction of area Izod Impact J 0.45 Ft-lb 0.33201 Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K Btu/ft-h-F Specific Heat Cpacity J/g-K Btu/lb-F Coefficient of thermal expansion 1E-6/K 1E-6/F Electrical Resistivity Ohm-cm 10000000000000000