Properties
- Light even smooth surface
- Easy to handle and machine
- PEFC labelled
- CE marked
- Long grained
End-uses
- Construction
- Joinery and shop fitting
- Furniture
Bonding
Weather resistant gluing according to EN 314-2/class 3 Exterior. WISA-Twin fulfills the requirements of EN 13986 E1 low formaldehyde emission class. On request deliveries according to EPA/CARB.
Surface and edges
Fully Sanded long grain birch with a light coloured, smooth surface.
Face: Quality BB
Reverse: Quality WG
Panel size
2440 x 1220 mm
2500 x 1250 mm
Size tolerances according to the Handbook of Finnish Plywood.
Thicknesses and weights
Thicknesses and tolerances fulfils the requirements of EN 315 (Plywood - Tolerances for dimensions) and are in part stricter. Other thicknesses on request.
| Nominal thickness (mm) | Number of plies | Tolerance | Weight kg/m2 |
|---|---|---|---|
| thickness (mm) min. - max. | |||
| 5 | 3 | 4.7 - 5.3 | 2.7 |
| 9 | 5 | 8.8 - 9.5 | 5.0 |
| 12 | 5 | 11.5 - 12.5 | 6.5 |
| 15 | 6 | 14.3 - 15.3 | 7.4 |
| 18 | 7 | 17.1- 18.1 | 8.9 |
| 21 | 8 | 20.0 - 20.9 | 10.3 |
| 24 | 8 | 22.9 - 23.7 | 11.4 |
Sizes and thicknesses relating to moisture content 7 - 12 %.
Thicknesses and tolerances fulfil the EN 315 requirements.