Market GradeU.S. Standard
Mesh Mesh (Micron) Mesh (Inch) Mesh (Micron) Mesh (Inch)
Size Opening Opening Opening Opening
2 11100 .437 N/A N/A
3 7087 .279 6730 0.265
4 5156 .203 4750 .187
5 4039 .059 4000 .157
6 3353 .132 3350 .132
8 2464 .097 2360 .0929
10 1905 .075 2000 .0787
11 1854 .073 N/A N/A
12 1524 .060 1700 .0669
14 1295 .051 1400 .0551
16 1130 .0445 1180 .0456
18 980 .0386 1000 .0394
20 864 .0340 850 .0335
24 703 .0277 N/A N/A
25 710 .0280 710 .0280
30 516 .0203 600 .0232
35 N/A N/A 500 .0197
40 381 .0150 425 .0167
45 N/A N/A 355 .0140
50 279 .0110 300 .0118
60 234 .0092 250 .0098
80 179 .0070 180 .0070
100 140 .0055 150 .0059
120 117 .0046 125 .0049
140 N/A N/A 105 .0042
150 104 .0041 N/A N/A
160 99 .0039 N/A N/A
170 N/A N/A 90 .0035
200 74 .0029 75 .0030
230 N/A N/A 63 .0025
250 61 .0024 N/A N/A
325 44 .0017 45 .0018
400 38 .0015 38 .0015
450 N/A N/A 32 .0013
500 25 .0010 25 .0010
635 20 .0008 20 .0008