| Specimens | Adhesive | Species of lamina | Pressing time (hour) | |
|---|---|---|---|---|
| Major layer | Minor layer | |||
| PNLY4 | Phenol-resorcinol | Japanese larch | Yellow poplar | 4 |
| WILY4 | Water based polymer isocyanate | Japanese larch | Yellow poplar | 4 |
| PULY1 | Polyurethane | Japanese larch | Yellow poplar | 1 |
| PULY4 | 4 | |||
| PURY1 | Korean red pine | Yellow poplar | 1 | |
| PURY4 | 4 | |||