Expanded polystyrene was the first foamed polymer. It is the white rigid plastic used for thermal insulation and in flotation devices.

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Density 1050 (Expanded 30) kgm-3Clip
Melting Point 360 KClip
Tensile strength 50000000 Nm-2Clip
Youngs modulus 3100000000 Nm-2Clip
Linear expansivity 0.00007 K-1Clip
Specific heat capacity 1300 Jkg-1K-1Clip
Thermal conductivity 0.08 (Expanded 0.036) Wm-1K-1Clip
Dielectric constant 3 Clip
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See also: Plastic.

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Subjects: Chemistry