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Results of Testing the Physical Properties of the OSB Bound with Product

Property

Unit

Requirement

Result

Average

Individual

Average

Individual

Modulus of rupture (MOR) after preconditioning

MPa

≥ 17.2

≥ 13.8

40.6

27.9

Modulus of elasticity (MOE) after preconditioning

MPa

≥ 3 100

≥ 2 480

5 076

4 107

Internal bond after preconditioning

MPa

≥ 0.345

≥ 0.276

0.877

0.729

Bond durability (MOR) after 2-h boil (tested when wet)

MPa

≥ 8.6

≥ 6.9

21.9

16.1

Bond durability (MOR) after 6 cycles

MPa

≥ 8.6

≥ 6.9

33.7

27.7

Thickness swell after 24-h soak

%

≤ 25

≤ 30

6.0

6.9

Linear expansion oven-dry to saturated

%

≤ 0.40

≤ 0.48

0.22

0.28

Linear expansion at 50% to 90% relative humidity (RH)

%

≤ 0.20

≤ 0.24

0.10

0.13

Results of Testing the Creep Properties of the OSB Bound with Product at 20°C

Property

Unit

Requirement

Result

Average

Individual

Average

Individual

Cumulative creep

mm

≤ 1.7

≤ 2.04

1.14

1.47

Secondary creep

mm

≤ 0.4

≤ 0.48

0.20

0.24

Irrecoverable creep

mm

≤ 1.1

≤ 1.32

0.66

0.82

Results of Testing the Creep Properties of the OSB Bound with Product at 30°C

Property

Unit

Requirement

Result

Re

Individual

Average

Individual

Cumulative creep

mm

≤ 2.2

≤ 2.64

1.31

  1.52

Secondary creep

mm

≤ 0.4

≤ 0.48

0.16

    0.19

Irrecoverable creep

mm

≤ 1.5

≤ 1.8

0.80

   0.93

Results of Testing the Creep Properties of the OSB Bound with Product

Property

Unit

Requirement

Result

Average

Individual

Average

Individual

Cumulative creep

mm

≤ 35

    ≤ 42

15

     3

Secondary creep

mm

≤ 0

     ≤ 0

–21

 –21

Irrecoverable creep

mm

≤ 50

≤ 60

22

   13

Results of Testing the MOR of the OSB Bound with Product

Property

Unit

Requirement

Result

Average

Individual

Average

Individual

Exposure after 2-h boil (modified)

MPa

≥ 8.6

≥ 6.9

43.3

35.7

Exposure after 6 cycles

MPa

≥ 8.6

≥ 6.9

33.7

27.7

Exposure at –20°C

MPa

≥ 17.2

≥ 13.8

48.4

38.8

After fungal exposure to Aspergillus niger v. Teigh

MPa

≥ 13.8

≥ 11.0

29.5

23.8

After fungal exposure to Penicillium luteum

MPa

≥ 13.8

≥ 11.0

31.1

18.1

After soaking in 1% hydrochloric acid

MPa

≥ 7.7

≥ 6.2

27.9

20.4

After soaking in 1% sodium hydroxide

MPa

≥ 12.0

≥ 9.6

35.9

27.5

After soaking in water

MPa

≥ 14.6

≥ 11.7

38.5

27.3

Retention of Properties – Modulus of Elasticity (MOE) Results of Testing the MOE of the OSB Bound with Product

Property

Unit

Requirement

Result

Average

Individual

Average

Individual

Exposure

after 2-h boil (modified)

MPa

≥ 1 550

≥ 1 240

5 315

4 735

after 6 cycles

MPa

≥ 2 015

≥ 1 612

4 766

4 111

at –20°C

MPa

≥ 3 100

≥ 2 480

5 890

4 588

After fungal exposure to

Aspergillus niger v. Teigh

MPa

≥ 2 480

≥ 1 984

4 386

3 101

Penicillium luteum

MPa

≥ 2 480

≥ 1 984

4 530

3 241

After soaking in

1% hydrochloric acid

MPa

≥ 2 480

≥ 1 984

4 862

3 447

1% sodium hydroxide

MPa

≥ 2 325

≥ 1 860

5 021

4 071

water

MPa

≥ 2 790

≥ 2 232

5 348

4 527

Retention of Properties – Internal Bond Results of Testing the Internal Bond of the OSB Bound with Product

Property

Unit

Requirement

Result

Average

Individual

Average

Individual

Exposure after 2-h boil (modified)

MPa

≥ 0.104

N/A

0.511

N/A

Exposure after 6 cycles

MPa

≥ 0.035

N/A

0.281

N/A

Exposure at –20°C

MPa

≥ 0.345

N/A

0.784

N/A

After fungal exposure to Aspergillus niger v. Teigh

MPa

≥ 0.207

N/A

0.617

N/A

After fungal exposure to Penicillium luteum

MPa

≥ 0.207

N/A

0.631

N/A

After soaking in 1% hydrochloric acid

MPa

≥ 0.069

N/A

0.410

N/A

After soaking in 1% sodium hydroxide

MPa

≥ 0.155

N/A

0.417

N/A

After soaking in water

MPa

≥ 0.224

N/A

0.541

N/A