Table 3.
Properties of composite boards made at different sawdust addition ratio (f: resonant frequency, dMOE: dynamic modulus of elasticity, sMOE: static modulus of elasticity, MOR: modulus of rupture)
| Sawdust addition ratio (%) | Resin 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 | 222.73 (19.51) | 0.075 | 8.41 (2.11) | 0.000 | 320.62 (73.77) | 0.159 | 86.50 (24.22) | 0.026 |
| 15 | 242.89 (12.78) | 9.66 (0.63) | 348.85 (28.61) | 93.29 (7.34) |
| 20 | 243.40 (16.02) | 8.89 (1.98) | 346.79 (50.49) | 95.01 (8.40) |
| 25 | 244.49 (23.97) | 12.03 (2.17) | 366.04 (83.98) | 104.55 (20.30) |
| 30 | 244.82(7. 93) | 12.46 (1.48) | 367.81 (45.24) | 106.54 (12.88) |
Notes: Numbers in parenthesis are standard deviations.