Table 1. Density and Porosity of NW, DW, WS, and PWS.
| wood sample | density (g·cm3) | porosity (%) |
|---|---|---|
| NW | 0.47 ± 0.01 | 84.9 ± 0.1 |
| DW | 0.25 ± 0.01 | 90.2 ± 0.1 |
| WS | 0.17 ± 0.01 | 92.3 ± 0.1 |
| PWS | 0.19 ± 0.02 | 92.4 ± 0.1 |
| PPWS | 0.19 ± 0.01 | 92.3 ± 0.2 |
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