Polystyrene (PS)
DescriptionSpecifications
Compressive Yield Strength13100 psi
CTE, linear 20°C44.3 µin/in-°F
Deflection Temperature at 1.8 MPa (264 psi)181 °F
Density0.0379 lb/in³
Dielectric Constant2.5
Dielectric Strength1550 kV/in
Electrical Resistivity1.00E+16 ohm-cm
Elongation at Break6.9 %
Flexural Yield Strength12200 psi
Hardness, Rockwell R120
Izod Impact, Notched0.656 ft-lb/in
Izod Impact, Unnotched2.06 ft-lb
Max Service Temperature, Air177 °F
Melt Flow9 g/10 min
Modulus of Elasticity435 ksi
Specific Heat Capacity0.43 BTU/lb-°F
Tensile Strength, Ultimate6510 psi
Tensile Strength, Yield6370 psi
Thermal Conductivity0.972 BTU-in/hr-ft²-°F
Water Absorption0.088 %

For additional engineering reference across other thermoplastics, users can explore Eck’s broader materials library.

Materials Specifications List

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