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Micropowder grit size comparisons

SUN-AB

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

F800

6.3±1.0

W10

10 ~ 7

F800

6.5±1.0

2500

7.0±0.7

5.5±0.5

F800

6.5±1.0

6.3±1.0

F1000

4.5±.08

7 ~ 5

F1000

4.5±0.8

3000

5.7±0.5

4.0±0.5

1200

6.5-4.5

F1000

4.5±0.8

F1200

3.1±0.5

5 ~ 3.5

F1200

3.0±0.5

4000

3.0±0.4

F1200

3.0±0.5

3.1±0.5

F1500

2.0±0.4

6000

2.0±0.4

F2000

1.25±0.25

8000

1.2±0.3

F2500

0.77±0.2

F3000

0.38±0.13

Product Range

[ Abrasive Materials ] [ Bonded Abrasives ] [ Coated Abrasives ] [ Diamond & CBN Wheels ] [ Non-Woven Abrasives ]