Official Journal of the Japan Wood Research Society
Table 1 Various moisture-related properties of the aspen and birch wood samples after treatment with oils (values in parenthesis indicate standard deviations)
Wood type | Oil type | Uptake (kg m−3) | Test at 65% RH | Water-soaked test after 768 h of soaking | ||
|---|---|---|---|---|---|---|
EMC (%) | MEE (%) | WRE (%) | ASE (%) | |||
Aspen | Tung oil | 267.1 (±0.9) | 6.7 (±0.3) | 30.7 | 65.5 | 15.3 |
TM-aspen | 245.0 (±25.6) | 3.7 (±0.4) | 61.9 | 69.0 | 52.1 | |
Birch | 241.7 (±15.2) | 7.7 (±0.5) | 27.3 | 64.1 | 8.0 | |
TM-birch | 67.6 (±4.4) | 3.7 (±0.3) | 65.1 | 44.6 | 69.9 | |
Aspen | Pine tar | 283.6 (±13.8) | 6.1 (±0.4) | 36.2 | 64.2 | 20.4 |
TM-aspen | 250.9 (±25.0) | 3.0 (±0.3) | 68.3 | 60.9 | 44.2 | |
Birch | 247.1 (±18.5) | 7.6 (±0.5) | 27.9 | 52.4 | 10.8 | |
TM-birch | 95.3 (±39.6) | 3.1 (±0.0) | 70.4 | 43.0 | 69.5 | |
Aspen | Beckers | 371.2 (±33.9) | 6.6 (±0.5) | 31.1 | 33.6 | 0.9 |
TM-aspen | 349.8 (±5.7) | 4.2 (±0.3) | 56.2 | 39.6 | 38.0 | |
Birch | 269.2 (±10.7) | 7.8 (±0.5) | 26.3 | 13.6 | 5.9 | |
TM-Birch | 118.7 (±25.6) | 3.9 (±0.1) | 63.4 | 10.9 | 56.4 | |
Aspen | Unimpregnated | – | 9.6 (±0.7) | – | – | – |
TM-aspen | – | 4.8 (±0.4) | 50.5 | 22.6 | 36.7 | |
Birch | – | 10.6 (±0.5) | – | – | – | |
TM-Birch | – | 4.1 (±0.6) | 61.0 | 27.3 | 44.4 | |