Russian Birch
Technical specifications
| Standard sizes, mm (ft) | 1525х1525 (5х5) | 1220X2440 (4X8) |
| Standard thickness, mm | 3-25 |
| Grading | B, BB, CP, C |
| Surface quality | Outer layers sanded (S2S), one side sanded (S1S), unsanded (NS) |
| Formaldehyde emission class | Е1, CARB 2 |
| Water resistance | Normal |
| Density, kg/m3 | 640-700 |
| Moisture content, % | 5-10 |
Strength specifications
| Minimum ultimate strength, MPa | shear along the glue layer | 1,5 |
| static bending along the grain (of the outer layers) | 25 | |
| tension along the grain | 30 | |
| Minimum elastic module, MPa | static bending along the grain | 7000 |
