Official Journal of the Japan Wood Research Society
Table 2 Surface roughness parameters of the panels before and after the aging treatment
Panel type | R ea (µm) | R fz (µm) | R gzJIS (µm) | Increasing rate (%) | |||||
|---|---|---|---|---|---|---|---|---|---|
Before aging | After aging | Before aging | After aging | Before aging | After aging | R a | R z | R zJIS | |
PB(PF)a | 2.4 ± 0.4 | 4.2 ± 0.8 | 39.8 ± 14.5 | 54.0 ± 20.5 | 28.9 ± 6.8 | 41.6 ± 9.0 | 74 | 36 | 44 |
PB(MDI)b | 3.0 ± 0.7 | 4.8 ± 0.6 | 59.1 ± 11.4 | 68.9 ± 8.8 | 40.9 ± 8.2 | 51.9 ± 7.1 | 62 | 17 | 27 |
MDF(MUF)c | 2.2 ± 0.3 | 3.9 ± 0.6 | 34.7 ± 12.7 | 48.4 ± 9.8 | 26.0 ± 3.9 | 36.5 ± 5.2 | 76 | 40 | 40 |
MDF(MDI)d | 2.3 ± 0.5 | 2.8 ± 0.4 | 32.2 ± 6.3 | 35.1 ± 5.9 | 26.0 ± 4.6 | 28.4 ± 4.4 | 22 | 9 | 9 |