Carbon Foam (Graphitized High-Conductivity ORNL/PocoFoam type) vs EPS Foam (expanded polystyrene Type II)
Property comparison of Carbon Foam (Graphitized High-Conductivity ORNL/PocoFoam type) and EPS Foam (expanded polystyrene Type II), both foam.
| Property | Carbon Foam (Graphitized High-Conductivity ORNL/PocoFoam type) | EPS Foam (expanded polystyrene Type II) | Difference |
|---|---|---|---|
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 280 kg/m³ | 20 kg/m³ | -93% |
| Thermal conductivity | 145 W/m·K | 0.036 W/m·K | -100% |
| Specific heat | 710 J/kg·K | 1,300 J/kg·K | +83% |
| Coefficient of thermal expansion | 0.000005 1/K | 0.00007 1/K | +1456% |
Difference is EPS Foam (expanded polystyrene Type II) relative to Carbon Foam (Graphitized High-Conductivity ORNL/PocoFoam type). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM C177
- standard
- ASTM
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