Official Journal of the Japan Wood Research Society
Table 2 Internal bond strength (IB) of particleboard subjected to outdoor exposure at the eight sites
IB (MPa) | |||||
|---|---|---|---|---|---|
Exposure term (year) | 1 | 2 | 3 | 4 | 5 |
Site 1 | 0.812 (0.07) | 0.626 (0.05) | 0.666 (0.10) | 0.596 (0.13) | 0.360 (0.25) |
Site 2 | 0.630 (0.10) | 0.540 (0.16) | 0.464 (0.12) | 0.287 (0.12) | 0.377 (0.15) |
Site 3 | 0.639 (0.09) | 0.458 (0.11) | 0.521 (0.14) | 0.480 (0.14) | 0.193 (0.11) |
Site 4 | 0.605 (0.09) | 0.573 (0.22) | 0.318 (0.13) | 0.320 (0.19) | 0.140 (0.11) |
Site 5 | 0.551 (0.10) | 0.434 (0.14) | 0.323 (0.13) | 0.186 (0.07) | 0.119 (0.10) |
Site 6 | 0.556 (0.07) | 0.324 (0.17) | 0.185 (0.11) | 0.208 (0.12) | 0.186 (0.08) |
Site 7 | 0.337 (0.15) | 0.212 (0.11) | 0.152 (0.06) | 0.069 (0.03) | 0.054 (0.02) |
Site 8 | 0.229 (0.04) | 0.125 (0.07) | 0.092 (0.04) | 0.057 (0.02) | 0.056 (0.02) |