Polystyrene

Material Properties for Polystyrene

Physical specifications of materials.

Materials Polystyrene
  Description
Density g/cc 1.06
  lb/in^3 0.0381
Hardness Brinell unless specified 72(Rockwell-m)
Tensile Strength ultimate Mpa 45
  Ksi 6.525
Yield Strength MPa 46
  Ksi 6.67
Modulus of Elasticity Gpa 3.25
  10^6 Psi 0.471014492
Poisson’s Ratio   0.33
%Elongation at break 22.5
%Reduction of area
Izod Impact J 0.18
  Ft-lb 0.132804
Fracture Toughness Mpa(m)^0.5
  Ksi(in)^0.5
Thermal conductivity W/m-K 0.16
  Btu/ft-h-F 0.09248554912
Specific Heat Cpacity J/g-K 1.7
  Btu/lb-F 0.408
Coefficient of thermal expansion 1E-6/K 87
  1E-6/F 48.406014999
Electrical Resistivity Ohm-cm 1000000000000000