| Test sample | Dimension (l × w × h) cm |
|---|---|
| Physical properties (moisture content, density, and dimensional stability) | 2 × 2 × 2 |
| Intensity of the staining fungi attack | 2 × 3 × 0.8 |
| Discoloration measurement | 2 × 3 × 0.8 |
| Ultramicroscopic analysis | 0.5 × 0.5 × 0.5 |