| ¹ |
Features |
Value |
| 1. |
Dimensions |
2500 mm õ 1250 mm ±0.2 mm |
| 2. |
Technical thickness |
21 mm |
| 3. |
Contingency allowance from normal thickness |
±0.5 mm |
| 4. |
Volume weight |
540 kg/m3 |
| 5. |
Elasticity module:
- parallel with wood fibre;
- perpendicular with wood fibre; |
4971 N/mm2
6196 N/mm2 |
| 6. |
Static strength at sagging:
- parallel with wood fibre;
- perpendicular with wood fibre; |
52.5 N/mm2
58.5 N/mm2 |
| 7. |
Conglutination strength |
100(2.0) MN/mm2 |
| 8. |
Coating resistance /abrasive resistance /
Taber test (EN 438-2) |
350 - 400 revolutions |
| 9. |
Water impermeability of the gum |
WBP mark |
| 10. |
Humidity contents |
under 12% |
| 11. |
13 plies poplar + 2 plies (face – back) birch |
