Test Date

Test specimen

No.

Weight before the test (g)

Weight after the test (g) (12 wks later)

Weight loss ratio (%)

8.9

Coniferous wood (mixed stump) without preservative treatment

I-1

2.62

2.53

3.12

I-2

2.10

1.71

18.42

I-3

2.65

2.21

16.41

II-4

2.63

2.21

15.96

II-5

2.58

1.98

23.25

II-6

2.67

1.95

26.74

III-7

2.50

2.13

14.68

III-8

2.56

2.14

16.21

III-9

2.68

2.14

19.96

IV-10

2.64

2.01

23.75

IV-11

2.59

1.98

23.43

IV-12

2.58

2.05

20.46