Table 3.
Particleboard panels analysis, MFC 10% increasing levels, resin stable, Approach 2, Average property values, Standard deviation in brackets).
| Formulation | UF Reference | UF + 0.25% MFC | UF + 0.5% MFC | UF + 0.75% MFC | UF + 1.0% MFC |
|---|---|---|---|---|---|
| % Binder, dry/dry wood | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 |
| % MFC, dry/liquid resin | 0.00 | 0.25 | 0.50 | 0.75 | 1.00 |
| Internal bond (MPa) | 0.30 (0.04) | 0.33 (0.06) | 0.36 (0.03) | 0.39 (0.05) | 0.45 (0.04) |
| 24 h Thickness Swelling (%) | 45.3 (2.5) | 45.5 (3.1) | 42.9 (2.1) | 42.8 (2.6) | 43.6 (2.1) |
| 24 h Water Absorption (%) | 97 (1.9) | 96 (1.8) | 95 (1.6) | 99 (2.1) | 99 (2.2) |
| Modulus of Rupture (MPa) | 13.4 | 13.4 | 13.5 | 13.6 | 13.9 |
| Modulus of Elasticity (MPa) | 2389 | 2402 | 2412 | 2445 | 2455 |
| Formaldehyde content (mg/100 g ODB) | 8.7 | 9.2 | 9.1 | 9.0 | 8.5 |