Water Absorption (d.b) (%)

Sample of size 12.5 ≤ S < 16 (mm)

Sample N˚

BAFANG

TOMBEL

1

20.76

18.27

2

20.03

18.94

3

20.57

19.27

4

20.31

19.39

5

20.59

19.93

Average

20.45

19.16

S D

0.28

0.61

Sample of size S ≥ 16 (mm)

1

16.16

17.60

2

15.39

17.97

3

16.49

17.49

4

15.68

17.99

5

15.97

18.97

Average

15.94

18.00

S D

0.42

0.58

PKS final absorption

18.20

18.58