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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 4 Mass loss of wood-based boards subjected to outdoor exposure

From: Nail-head pull-through strength and lateral nail resistance strength of wood-based boards subjected to various climatic conditions in Japan

Site no.

Exposure time (year)

Mass loss (%)

PB

OSB

MDF

1

1

0

0

0.52

 

2

0

0

0.38

 

3

1.58

1.96

2.18

 

4

2.58

5.80

2.75

 

5

6.25

7.57

3.22

 

6

4.04

20.8

 
 

7

  

9.60

2

1

0

0

0

 

2

0

0

0.60

 

3

1.59

1.62

0.95

 

4

2.72

2.66

1.47

 

5

4.34

6.65

2.43

3

1

0.38

0.54

0.69

 

2

1.49

5.31

1.44

 

3

4.10

15.9

2.26

 

4

3.86

3.93

2.42

 

5

5.58

12.9

2.70

 

6

11.7

29.7

 
 

7

  

3.73

4

1

1.44

7.84

0.39

 

2

4.65

16.8

1.41

 

3

7.50

21.8

2.25

 

4

10.3

34.0

3.80

 

5

10.1

39.9

4.39

 

6

15.9

46.4

 
 

7

  

5.87

  1. The site no. is described in Table 1
  2. PB phenol–formaldehyde resin-bonded particleboard, OSB oriented strand board manufactured from aspen, MDF methylene diphenyl diisocyanate resin-bonded medium-density fiberboard
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