It is is composed of small black beads of polystyrene (EPS) containing blowing agent, which makes it expandable.
0.01 - 0.03 g/cm³ at 20 °C
Coefficient of thermal expansion α
6E-5 - 8E-5 1/K at 20 °C
Max service temperature, long Tmaxlong
Max service temperature, short Tmaxshort
Specific heat capacity cp
1450 J/(kg·K) at 20 °C
Thermal conductivity λ
0.03 - 0.04 W/(m·K) at 20 °C
Thermal insulation, noise protection, decorative ceiling panels, thermoboxes, surfboard-kernels
Extrusion, foaming, thermoforming
This material data has been provided by M-Base.