Polystyrene, expandable (PS-E)

Alternative and trade names
Neopor®, Styropor®, Peripor®
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Description

It is is composed of small black beads of polystyrene (EPS) containing blowing agent, which makes it expandable.

Properties

General

Density ρ

0.01 - 0.03 g/cm³ at 20 °C

Thermal

Coefficient of thermal expansion α

6E-5 - 8E-5 1/K at 20 °C

Max service temperature, long Tmaxlong

60 °C

Max service temperature, short Tmaxshort

75 °C

Specific heat capacity cp

1450 J/(kg·K) at 20 °C

Thermal conductivity λ

0.03 - 0.04 W/(m·K) at 20 °C

Optical

Transparency

no

Technological properties

Application areas

Thermal insulation, noise protection, decorative ceiling panels, thermoboxes, surfboard-kernels

Processing methods

Extrusion, foaming, thermoforming

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.