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 expansionα
6E-5 - 8E-5 1/K at 20 °C
Max service temperature, longTmaxlong
Max service temperature, short
Specific heat capacitycp
1450 J/(kg·K) at 20 °C
0.03 - 0.04 W/(m·K) at 20 °C
This material data has been provided by M-Base.