Table 2.
Properties of composite boards made at different resin addition ratio(f: resonant frequency, dMOE: dynamic modulus of elasticity, sMOE: static modulus of elasticity, MOR: modulus of rupture)
| Resin addition ratio (%) | Sawdust addition ratio (%) | Density (g/cm3) | RF | MOR | dMOE | sMOE |
| (Hz) | p-value | (MPa) | p-value | (MPa) | p-value | (MPa) | p-value |
|
| 10 | 10 | 0.6 | 227.53 (21.04) | 0.000 | 9.22 (2.75) | 0.000 | 320.62 (73.77) | 0.000 | 92.06 (25.48) | 0.000 |
| 15 | 282.25 (14.87) | 15.55 (2.94) | 498.05 (55.57) | 153.74 (28.43) |
| 20 | 332.95 (42.19) | 22.00 (7.22) | 806.90 (242.87) | 245.96 (76.58) |
| 25 | 333.63 (21.05) | 28.91 (4.32) | 963.48 (187.39) | 322.92 (57.28) |
Notes: Numbers in parenthesis are standard deviations.