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