WHITE DOVE

CHINA

JIS R6001-1998

ANSI B74.10-
1977(R1988)

FEPA42GB-1984
DIN69101-1985

Grit

d50 value
(in µm)
Sedigraph
5000D

GB2477-83

GB/T2481.2-1998
(ISO8486.2-1996)

GB/T9258.1-2000
(IS06344-1997)

Grit

d50 value(in µm)

Grit

d50
value
(in µm)
Sedimen-
tation tube
method

Grit

d50 value(in µm)

Grit

Size
range
(in µm)

Grit

d50 value
(in µm)

Grit

d50 value
(in µm)

Sediment-
ation tube
method

Electric
resistance
method
(with Coulter

Standard
Werte der
Mikro-F-Reihe

Sedigraph
5000D

P240

58.5±2

240

60.0±4.0

57.0±3.0

P280

52.2±2

280

52.0±3.0

48.0±3.0

F230

50.0±3.0

F230

53±3

P320

46.2±1.5

320

46.0±2.5

40.0±2.5

240

53.5-50

F230

53±3

50.0±3.0

F240

42.0±2.0

F240

44.5±2

P360

40.5±1.5

360

40.0±2.0

35.0±2.0

F240

44.5±2

42.0±2.0

P400

35.0±1.5

400

34.0±2.0

30.0±2.0

280

44-40.5

F280

34.5±1.5

W63

63～50

F280

36.5±1.5

P500

30.2±1.5

500

28.0±2.0

25.0±2.0

320

36-32.5

F280

36.5±1.5

34.5±1.5

F320

27.7±1.5

W50

50～40

F320

29.2±1.5

P600

25.8±1.0

600

24.0±1.5

20.0±1.5

360

28.8-25.8

F320

29.2±1.5

27.7±1.5

F360

21.6±1.5

W40

40～28

F360

22.8±1.5

P800

21.8±1.0

700

21.0±1.3

17.0±1.5

400

23.6-20.6

F360

22.8±1.5

21.6±1.5

F400

16.5±1.0

W28

28～20

F400

17.3±1.0

P1000

18.3±1.0

800

18.0±1.0

14.0±1.0

500

19.7-16.7

F400

17.3±1.0

16.5±1.0

F500

12.3±1.0

W20

20～14

F500

12.8±1.0

P1200

15.3±1.0

1000

15.5±1.0

11.5±1.0

600

16-13

F500

12.8±1.0

12.3±1.0

P1500

12.6±1.0

1200

13.0±1.0

9.5±0.8

F600

9.0±1.0

W14

14～10

F600

9.3±1.0

P2000

10.3±0.8

1500

10.5±1.0

8.0±0.6

800

12.3-9.8

F600

9.3±1.0

9.0±1.0

P2500

8.4±0.5

2000

8.5±0.7

6.7±0.6

1000

9.3-6.8