Abrasive Grit Size
Standard of China
|
Range of
Grain Sizes
|
| Grit Size No. |
Nominal Particle Size Range
(Micron) |
Grit Size No. |
Nominal Particle Size Range
(Micron) |
| 4# |
5600-4750 |
70# |
250-212 |
| 5# |
4750-4000 |
80# |
212-180 |
| 6# |
4000-3350 |
90# |
180-150 |
| 7# |
3350-2800 |
100# |
150-125 |
| 8# |
2800-2360 |
120# |
125-106 |
| 10# |
2360-2000 |
150# |
106-75 |
| 12# |
2000-1700 |
180# |
90-63 |
| 14# |
1700-1400 |
220# |
75-53 |
| 16# |
1400-1180 |
240# |
75-53 |
| 20# |
1180-1000 |
W63 |
63-50 |
| 22# |
1000-850 |
W50 |
50-40 |
| 24# |
850-710 |
W40 |
40-28 |
| 30# |
710-600 |
W28 |
28-20 |
| 36# |
600-500 |
W20 |
20-14 |
| 40# |
500-425 |
W14 |
14-10 |
| 46# |
425-355 |
W10 |
10-7 |
| 54# |
355-300 |
W7 |
7-5 |
| 60# |
300-250 |
W5 |
5-3.5 |
กก
กก
กก |
