Table 4.
Moisture absorption and desorption capacity of stain finished materials
| Condition | Absorption (Temp. 23°C, RH 55%) | Desorption (Temp. 23°C, RH 30%) |
| Time (hr.) |
| Materials | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 |
| Stain Finishing*1 | Hinoki | Control (g/m2) | 0 | 4.50 | 8.00 | 10.50 | 12.00 | 9.00 | 7.00 | 5.00 | 4.00 |
| Punched (g/m2) | 0 | 8.50 | 15.00 | 19.50 | 24.00 | 18.00 | 12.00 | 8.50 | 4.50 |
| Larch | Control (g/m2) | 0 | 3.50 | 6.50 | 8.00 | 9.00 | 4.50 | 2.50 | 2.00 | 1.50 |
| Punched (g/m2) | 0 | 11.00 | 16.00 | 20.00 | 25.00 | 19.00 | 14.00 | 9.00 | 7.00 |
| Douglas fir | Control (g/m2) | 0 | 3.00 | 4.50 | 7.00 | 9.50 | 8.00 | 5.25 | 3.00 | 1.00 |
| Punched (g/m2) | 0 | 10.00 | 16.00 | 20.50 | 25.50 | 20.00 | 14.00 | 10.50 | 7.50 |
| Plywood (Hinoki) | Control (g/m2) | 0 | 4.00 | 6.50 | 8.00 | 9.00 | 7.00 | 6.00 | 4.50 | 3.00 |
| Punched (g/m2) | 0 | 8.50 | 16.50 | 19.00 | 23.00 | 18.00 | 12.50 | 8.50 | 5.00 |
| WML Board | Control (g/m2) | 0 | 2.00 | 3.50 | 5.00 | 7.50 | 5.50 | 4.00 | 1.00 | 0.00 |
| Punched (g/m2) | 0 | 7.00 | 11.00 | 14.50 | 17.50 | 11.50 | 7.50 | 4.00 | 1.50 |
1 ; 100 g/m2 surface application of Crackseal Wood manufactured by DONGWHA Industrial Co. Ltd in Korea.