Siever Number

Openning (in mm)

Cumulated retained

Passing

Observation

AFNOR

ASTM

AFNOR

(g)

(g)

(%)

(%)

3’’

50

76.2

80

21/2’’

49

63.5

63

2’’

48

50.8

50

11/2’’

47

38.1

40

100

11/4’’

46

31.7

31.5

289

11

89

1’’

45

25.4

25

596

24

76

¾’’

44

19.1

20

1065

42

58

2/3’’

43

16.9

16

1505

60

40

½’’

42

12.7

12.5

1859

74

26

3/8’’

41

9.52

10

2115

84

16

1/3’’

40

7.93

8

2307

92

8

¼’’

39

6.35

6.3

2430

97

3

3/16’’

38

4.76

5

2473

98

2

5

37

4

4

2492

99

1

6

36

3.36

3.15

8

35

2.38

2.5

10

34

2

2

12

33

1.68

1.6

16

32

1.19

1.25

18

31

1

1

20

30

0.84

0.8

30

29

0.59

0.63

35

28

0.5

0.5

40

27

0.4

0.4

50

26

0.315

0.315

60

25

0.25

0.25

70

24

0.2

0.2

100

23

0.16

0.16

120

22

0.125

0.125

140

21

0.1

0.1

200

20

0.08

0.08