Aluminum Foam (Closed-Cell Alporas) vs EPS Foam (expanded polystyrene Type II)
Property comparison of Aluminum Foam (Closed-Cell Alporas) and EPS Foam (expanded polystyrene Type II), both foam.
| Property | Aluminum Foam (Closed-Cell Alporas) | EPS Foam (expanded polystyrene Type II) | Difference |
|---|---|---|---|
| Poisson ratio | 0.33 | 0.3 | -9% |
| Density | 250 kg/m³ | 20 kg/m³ | -92% |
| Specific heat | 500 J/kg·K | 1,300 J/kg·K | +160% |
| Coefficient of thermal expansion | 3.5 1/K | 0.00007 1/K | -100% |
Difference is EPS Foam (expanded polystyrene Type II) relative to Aluminum Foam (Closed-Cell Alporas). 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
- none
- standard
- ASTM
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators