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Comparison table of size range
 

Grit

Size range( µ m)

China
(GB/T 2481.1-1998)

ISO8486.1:1996 &
FEPA42GB-1984

JIS
R6001-1998

ANSI B74.12-1992

F4

56004750

 

56004750

F5

47504000

 

47504000

F6

40003350

 

40003350

F7

33502800

 

33502800

F8

28002360

28002360

28002360

F10

23602000

23602000

23602000

F12

20001700

20001700

20001700

F14

17001400

17001400

17001400

F16

14001180

14001180

14001180

F20

11801000

11801000

11801000

F22

1000850

1000850

-

F24

850710

850710

850710

F30

710600

710600

710600

F36

600500

600500

600500

F40

500425

500425

-

F46

425355

425355

425355

F54

355300

355300

355300

F60

300250

300250

300250

F70

250212

250212

250212

F80

212180

212180

212180

F90

180150

180150

180150

F100

150125

150125

150125

F120

125106

125106

125106

F150

10675

10675

10675

F180

9063

9063

9063

F220

7553

7553

7553

F240

-

-

7553


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