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Apparent density and closed-cell content of RO/PET series rigid PUR foams.
| Sample | Apparent Density, kg/m3 | Closed-Cell Content, vol.% |
|---|---|---|
| RO/PET II = 110 | 39.1 ± 0.4 | 95.2 ± 0.2 |
| RO/PET II = 120 | 38.5 ± 0.1 | 98.0 ± 0.4 |
| RO/PET II = 130 | 44.3 ± 1.3 | 97.6 ± 0.3 |
| RO/PET II = 150 | 39.1 ± 0.4 | 98.7 ± 0.2 |
| RO/PET II = 180 | 41.7 ± 0.1 | 97.4 ± 0.4 |
