Parameters according to the EN 300:2000 standard
Nr | Property | Testing method | Requirements Thickness range |
---|---|---|---|
12)3) | Maximum dimensional tolerances: thickness (sanded) boards and between; thickness (non-sanded) boards and between; length and width; | EN 324-1 | 0.3 mm 0.8 mm 3.0 mm |
22)3) | Edge straightness tolerance | EN 324-2 | 1.5 mm/m |
32)3) | Squareness tolerance | EN 324-2 | 2.0 mm/m |
42) | Moisture content OSB 1, OSB 2, OSB 3, OSB 4 | EN 322 | od 2 do 12% od 5 do 12% |
53) | Allowable density tolerance in relation to the average density inside board | EN 323 | 10% |
6 | Formaldehyde content – Class E1 | EN 120 | ≤ 8mg / 100 g total dry matter |
2) Specific applications of OSB may require other tolerances. See applicable standards. |
* Requirements for specific mechanical properties and swelling.
Board type: SWISS KRONO OSB/1: Properties | Testing method | Unit of measurement | Requirements Thickness range | ||
---|---|---|---|---|---|
6 to 10 | >10 i <18 | 18 to 25 | |||
Bending strength: major axis | EN 310 | N/mm2 | 20 | 18 | 16 |
Bending strength: lateral axis | EN 310 | N/mm2 | 10 | 9 | 8 |
Modulus of elasticity: major axis | EN 310 | N/mm2 | 2500 | 2500 | 2500 |
Modulus of elasticity: lateral axis | EN 310 | N/mm2 | 1200 | 1200 | 1200 |
Tensile strength perpendicular to the board plane | EN 319 | N/mm2 | 0.30 | 0.28 | 0.26 |
Thickness swelling after 24 hrs | EN 317 | % | 25 | 25 | 25 |
* Requirements for specific mechanical properties and swelling
Board type: SWISS KRONO OSB/2: Properties | Testing method | Unit of measurement | Requirements Thickness range | ||
---|---|---|---|---|---|
6 to 10 | >10 i <18 | 18 to 25 | |||
Bending strength: major axis | EN 310 | N/mm2 | 22 | 20 | 18 |
Bending strength: lateral axis | EN 310 | N/mm2 | 11 | 10 | 9 |
Modulus of elasticity: major axis | EN 310 | N/mm2 | 3500 | 3500 | 3500 |
Modulus of elasticity: lateral axis | EN 310 | N/mm2 | 1400 | 1400 | 1400 |
Tensile strength perpendicular to the board plane | EN 319 | N/mm2 | 0.34 | 0.32 | 0.30 |
Thickness swelling after 24 hrs | EN 317 | % | 20 | 20 | 20 |
* Requirements for specific mechanical properties and swelling
Board type: SWISS KRONO OSB/3: Properties | Testing method | Unit of measurement | Requirements Thickness range | ||
---|---|---|---|---|---|
6 to 10 | >10 i <18 | 18 to 25 | |||
Bending strength: major axis | EN 310 | N/mm2 | 22 | 20 | 18 |
Bending strength: lateral axis | EN 310 | N/mm2 | 11 | 10 | 9 |
Modulus of elasticity: major axis | EN 310 | N/mm2 | 3500 | 3500 | 3500 |
Modulus of elasticity: lateral axis | EN 310 | N/mm2 | 1400 | 1400 | 1400 |
Tensile strength perpendicular to the board plane | EN 319 | N/mm2 | 0.34 | 0.32 | 0.30 |
Thickness swelling after 24 hrs | EN 317 | % | 15 | 15 | 15 |
Board type: SWISS KRONO OSB/3: Properties | Testing method | Unit of measurement | Requirements Thickness range | ||
---|---|---|---|---|---|
6 to 10 | >10 i <18 | 18 to 25 | |||
Bending strength after cyclic test – major axis | EN 321 + EN 3108) | N/mm2 | 9 | 8 | 7 |
Option 17) tensile strength perpendicular to the board plane, after cyclic test | EN 321 EN 319 | N/mm2 | 0.18 | 0.15 | 0.13 |
Option 27) tensile strength perpendicular to the board plane, after boiling | EN 1087-19) | N/mm2 | 0.15 | 0.13 | 0.12 |
7) The selection of methods should be treated as temporary until appropriate methods are developed for the board set 8) Bending strength after cyclic test is calculated using the thickness measured after cyclic test 9) EN 1087-1 applies, taking into account the modified method in Annex A. |
* Requirements for specific mechanical properties and swelling
Board type: SWISS KRONO OSB/4: Properties | Testing method | Unit of measurement | Requirements Thickness range | ||
---|---|---|---|---|---|
6 to 10 | >10 i <18 | 18 to 25 | |||
Bending strength: major axis | EN 310 | N/mm2 | 30 | 28 | 26 |
Bending strength: lateral axis | EN 310 | N/mm2 | 16 | 15 | 14 |
Modulus of elasticity: major axis | EN 310 | N/mm2 | 4800 | 4800 | 4800 |
Modulus of elasticity: lateral axis | EN 310 | N/mm2 | 1900 | 1900 | 1900 |
Tensile strength perpendicular to the board plane | EN 319 | N/mm2 | 0.50 | 0.45 | 0.40 |
Thickness swelling after 24 hrs | EN 317 | % | 12 | 12 | 12 |
Board type: SWISS KRONO OSB/4: Properties | Testing method | Unit of measurement | Requirements Thickness range | ||
---|---|---|---|---|---|
6 to 10 | >10 i <18 | 18 to 25 | |||
Bending strength after cyclic test – major axis | EN 321 + EN 3108) | N/mm2 | 15 | 14 | 13 |
Option 17) tensile strength perpendicular to the board plane, after cyclic test | EN 321 EN 319 | N/mm2 | 0.21 | 0.17 | 0.15 |
Option 27) tensile strength perpendicular to the board plane, after boiling | EN 1087-19) | N/mm2 | 0.17 | 0.15 | 0,13 |
7) The selection of methods should be treated as temporary until appropriate methods are developed for the board set 8) Bending strength after cyclic test is calculated using the thickness measured after cyclic test 9) EN 1087-1 applies, taking into account the modified method in Annex A. |
Mean density Ρ Kg/m 3 | Thermal conductivity coefficient λ W(m -K ) |
Standard | |
---|---|---|---|
SWISS KRONO OSB/3 | 650 | 0,13 | EN 12664 |
EN standard | Minimum density Kg/m3 |
Minimum thickness mm |
Class (excluding floors) | Floor class | Standard | |
---|---|---|---|---|---|---|
SWISS KRONO OSB/3 | EN 300 | 600 | 9 | D-s2, d0 | - | EN-13501-1 |