Technical Data

 

SWISS KRONO OSB/3 (norma PN-EN 300:2000)

Thickness

8

10

12

 15

 18

 22

 25

Format/Square edges

2500 x 1250

120

90

78

63

54

42

38

Format/Tongue-and-groove edges (four sides)

2500 x 675 P/W 4

 

 

78

63

54

42

38

2500 x 625 P/W 4

 

 

78

63

54

42

38

2050 x 625 (Easy Pack)

54

42

NOTE:

Other formats (e.g. 5000 x 1250, 5000 x 2500, 2650 x 1250, 2800 x 1250, 2070 x 2800, 2440 x 1220) and thicknesses of SWISS KRONO OSB/3, not included in the standard production programme, are only available on special request and according to individual arrangements with the manufacturer. 

  • The minimum order for board of standard width and non-standard length: 150 m³.
  • The minimum order for board of non-standard width and length: 200 m³.
  • The minimum order for board of non-standard thickness: 300 m³. 

Manufacturing capacity:

  • straight edges: 8-40 mm thick
  • tongue-and-groove edges: 12-28 mm thick

Technical specifications. Parameters according to the EN 300:2000 standard

1. General requirements for all board types.

 Nr

Właściwości

Metoda badania

Wymagania

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%

64)

Formaldehyde content – class 1 (perforator value) – class 2

EN 120

≤ 8mg / 100 g> 8mg / 100 g? 30mg / 100 g

2) Specific applications of OSB may require other tolerances. See applicable standards. 3) – The values apply for moisture in the material at 65% RH and 20oC. 4) – Currently tests are being carried out on the standard moisture content and a conversion factor.

2. Requirements concerning boards for general applications and interior finishing (including furniture) used in dry conditions. * Requirements for specific mechanical properties and swelling.

Board type: SWISS KRONO OSB/1: Properties

Testing method

Unit of measurement

Requirements Thickness range

6 do 10

>10 i <18

18 do 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

3. Requirements concerning boards for carrying applications, used in dry conditions. * Requirements for specific mechanical properties and swelling.

Board type: SWISS KRONO OSB/2: Properties

Testing method

Unit of measurement

Requirements Thickness range

6 do 10

>10 i <18

18 do 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

4. Requirements concerning boards for carrying applications, used in humid conditions. * Requirements for specific mechanical properties and swelling.

Board type: SWISS KRONO OSB/3: Properties

Testing method

Unit of measurement

Requirements Thickness range

Właściwości

6 do 10

>10 i <18

18 do 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

5. Requirements concerning moisture resistance.

Board type: SWISS KRONO OSB/3: Properties

Testing method

Unit of measurement

Requirements Thickness range

6 do 10

>10 i <18

18 do 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.

6. Requirements concerning boards for carrying applications under heavy loads, used in humid conditions. * Requirements for specific mechanical properties and swelling.

Board type: SWISS KRONO OSB/4: Properties

Testing method

Unit of measurement

Requirements Thickness range

6 do 10

>10 i <18

18 do 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

7. Requirements concerning moisture resistance.

Board type: SWISS KRONO OSB/4: Properties

Testing method

Unit of measurement

Requirements Thickness range

6 do 10

>10 i <18

18 do 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.

8. Thermal conductivity of OSB/3

 

Mean density Ρ Kg/m 3

Thermal conductivity coefficient λ W(m -K )

Standard

SWISS KRONO OSB/3

650

0,13

EN 12664

9. Fire classification

 

EN standard for product

Minimum density Kg/m3

Minimum thickness mm

Class (excluding floors)

Floor class

Standard

SWISS KRONO OSB/3

EN 300

600

9

D-s2, d0

DFL- s1

EN-13501-1