Table 5.
Moisture absorption and desorption capacity of tested material
| Materials & Conditions | Absorption (A) (g/m2) | Desorption*1(B) (g/m2) | Average of Absorption & Desorption (g/m2) | A-B*2 (g/m2) |
| Hinoki | Non Finished | Control | 23.00 | 15.50 | 19.25 | 7.50 |
| Punched | 29.50 | 20.00 | 24.75 | 9.50 |
| Stain*3 Finishing | Control | 12.00 | 8.00 | 10.00 | 4.00 |
| Punched | 24.00 | 19.50 | 21.75 | 4.50 |
| Larch | Non Finished | Control | 18.00 | 11.50 | 14.75 | 6.50 |
| Punched | 27.00 | 18.00 | 22.50 | 9.00 |
| Stain*3 Finishing | Control | 9.00 | 7.50 | 8.25 | 1.50 |
| Punched | 25.00 | 18.00 | 21.50 | 7.00 |
| Douglas fir | Non Finished | Control | 21.00 | 13.00 | 17.00 | 8.00 |
| Punched | 27.50 | 18.50 | 23.00 | 9.00 |
| Stain*3 Finishing | Control | 9.50 | 8.50 | 9.00 | 1.00 |
| Punched | 25.50 | 18.00 | 21.75 | 7.50 |
| Plywood (Hinoki) | Non Finished | Control | 17.50 | 9.00 | 13.25 | 8.50 |
| Punched | 32.00 | 18.00 | 25.00 | 14.00 |
| Stain*3 Finishing | Control | 9.00 | 6.00 | 7.50 | 300 |
| Punched | 23.00 | 18.00 | 20.50 | 5.00 |
| WML Board | Non Finished | Control | 16.00 | 12.50 | 14.25 | 3.50 |
| Punched | 20.50 | 20.50 | 20.50 | 0.00 |
| Stain*3 Finishing | Control | 7.50 | 7.50 | 7.50 | 0.00 |
| Punched | 17.50 | 16.00 | 16.75 | 1.50 |
Desorption (g/m2)=Absorption for 12 hr.(g/m2) - residual weight after moisture desorption for 12 hr.(g/m2)
Difference between average absorption and desorption capacity
100 g/m2 surface application of “Crackseal Wood” manufactured by DONGWHA Industrial Co. Ltd