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Cell size, closed-cell content, apparent density, and thermal conductivity of PUR foams.
| WS-0% | WS-10% | WS-20% | WS-30% | |
|---|---|---|---|---|
| Cell size [µm] | 345 ± 9 | 320 ± 8 | 310 ± 6 | 280 ± 8 |
| Closed-cell content [%] | 92.1 | 89.3 | 86.4 | 80.2 |
| Apparent density [kg m−3] | 36 ± 1 | 37 ± 1 | 38 ± 2 | 39 ± 1 |
| Thermal conductivity [W m−1 K−1] | 0.024 | 0.026 | 0.029 | 0.032 |
