Rigid Polyurethane Foam (low density 32 kg/m3) vs Syntactic Foam (Glass Microballoon/Epoxy 400 kg/m3)
Property comparison of Rigid Polyurethane Foam (low density 32 kg/m3) and Syntactic Foam (Glass Microballoon/Epoxy 400 kg/m3), both foam.
| Property | Rigid Polyurethane Foam (low density 32 kg/m3) | Syntactic Foam (Glass Microballoon/Epoxy 400 kg/m3) | Difference |
|---|---|---|---|
| Poisson ratio | 0.3 | 0.3 | 0% |
| Density | 32 kg/m³ | 400 kg/m³ | +1150% |
| Specific heat | 1,500 J/kg·K | 900 J/kg·K | -40% |
| Coefficient of thermal expansion | 0.00006 1/K | 0.000023 1/K | -62% |
Difference is Syntactic Foam (Glass Microballoon/Epoxy 400 kg/m3) relative to Rigid Polyurethane Foam (low density 32 kg/m3). 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
- standard
- ASTM C365
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