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Comparison Chart for Grit Sizes
between China and Other Countries
Grit No.
Nominal Size Range(micron)
China
GB2477-83
Japan
JIS R6001-1987
America
ANSI(74)
ISO(86)
FEPA(84)
4
5600-4750
-
5600-4750
5600-4750
5
4750-4000
-
4750-4000
4750-4000
6
4000-3350
-
4000-3360
4000-3350
7
3350-2800
-
3360-2830
3350-2800
8
2800-2360
2800-2360
2830-2380
2800-2360
10
2360-2000
2360-2000
2380-2000
2360-2000
12
2000-1700
2000-1700
2000-1680
2000-1700
14
1700-1400
1700-1400
1680-1410
1700-1400
16
1400-1180
1400-1180
1410-1190
1400-1180
20
1180-1000
1180-1000
1190-1000
1180-1000
22
1000-850
-
-
1000-850
24
850-710
850-710
841-707
850-710
30
710-600
710-600
707-595
710-600
36
600-500
600-500
595-500
600-500
40
500-425
-
-
500-425
46
425-355
425-355
420-354
425-355
54
355-300
355-300
354-297
355-300
60
300-250
300-250
297-250
300-250
70
250-212
250-212
250-210
250-212
80
212-180
212-180
210-177
212-180
90
180-150
180-150
177-149
180-150
100
150-125
150-125
149-125
150-125
120
125-106
125-106
125-105
125-106
150
106-75
106-75
105-74
106-75
180
90-63
90-63
88-63
90-63
220
75-53
75-53
74-53
75-53
240
75-53
-
74-53
-
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Contact:
ex@occo.com
The Ocean Command Int'l Trading Co., Ltd.
Copyright © 2005-2006
Last modified: 2005-04-04
