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Dow Styrofoam™ Polystyrene Rigid Foam Insulation

Category Polymer , Thermoplastic , Polystyrene (PS) , Expanded Polystyrene (EPS)
Manufacturer Dow Chemical
Trade Name Styrofoam™
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Dow Styrofoam™ Polystyrene Rigid Foam Insulation.pdf
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Material Notes:
The information below is typical of Styrofoam™ rigid polystyrene foam used for construction insulation - but many specific grades are available. This material is produced as sheets of closed-cell foam by a continuous extrusion process. Its properties will be different than expanded polystyrene beads because beads have voids between cell walls. Styrofoam is a trademark of Dow Chemical.
Physical Properties Metric English Comments
Density 0.0350 g/cc
0.00126 lb/in³
Water Absorption 9.0 %
9.0 %
about 9% by weight or 0.3% by volume.
Mechanical Properties Metric English Comments
Compressive Yield Strength 0.500 MPa
72.5 psi
Varies with grade. A safety factor of three is recommended for long term static load or traffic use.
Thermal Properties Metric English Comments
CTE, linear 70.0 µm/m-°C

@Temperature 20.0 °C
38.9 µin/in-°F

@Temperature 68.0 °F
Thermal Conductivity 0.0270 W/m-K
0.187 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 75.0 °C
167 °F
Minimum Service Temperature, Air -50.0 °C
-58.0 °F
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