Mesh Aperture Sizes
Mesh
|
Mm
|
Inch
|
Mm
|
Micron
|
Open Area %
|
2
|
2.5
|
0.10
|
10.0
|
|
64
|
2½
|
2.0
|
0.08
|
8.0
|
|
64
|
3
|
1.4
|
1.055
|
7.1
|
|
70
|
3½
|
1.25
|
0.05
|
6.3
|
|
70
|
4
|
1.219
|
0.048
|
5.1
|
|
65
|
5
|
1.016
|
0.04
|
4.0
|
|
64
|
6
|
0.914
|
0.036
|
3.3
|
|
61
|
8
|
0.71
|
0.028
|
2.5
|
|
60
|
10
|
0.56
|
0.022
|
2.0
|
|
61
|
12
|
0.56
|
0.022
|
1.5
|
|
54
|
16
|
0.46
|
0.018
|
1.13
|
|
51
|
18
|
0.34
|
0.014
|
1.07
|
|
57
|
20
|
0.38
|
0.015
|
0.89
|
894
|
50
|
24
|
0.34
|
0.014
|
0.71
|
713
|
45
|
28
|
0.38
|
0.015
|
0.53
|
531
|
34
|
28
|
0.27
|
0.011
|
0.63
|
633
|
49
|
30
|
0.27
|
0.011
|
0.57
|
572
|
46
|
36
|
0.25
|
0.010
|
0.45
|
451
|
41
|
40
|
0.23
|
0.0092
|
0.40
|
401
|
40
|
50
|
0.21
|
0.0084
|
0.29
|
205
|
34
|
60
|
0.17
|
0.0068
|
0.25
|
251
|
35
|
70
|
0.15
|
0.0060
|
0.21
|
210
|
34
|
80
|
0.13
|
0.0052
|
0.18
|
185
|
34
|
100
|
0.11
|
0.0044
|
0.14
|
142
|
31
|
120
|
0.09
|
0.0036
|
0.12
|
120
|
32
|
130
|
0.08
|
0.0032
|
0.11
|
112
|
34
|
140
|
0.07
|
0.0028
|
0.11
|
110
|
36
|
15
|
0.07
|
0.0028
|
0.10
|
98
|
34
|
165
|
0.05
|
0.0020
|
0.106
|
106
|
46
|
180
|
0.06
|
0.0024
|
0.080
|
80
|
33
|
200
|
0.051
|
0.0020
|
0.076
|
76
|
36
|
230
|
0.036
|
0.0014
|
0.075
|
75
|
46
|
250
|
0.040
|
0.0016
|
0.061
|
61
|
36
|
270
|
0.040
|
0.0016
|
0.056
|
56
|
34
|
300
|
0.036
|
0.0014
|
0.050
|
50
|
34
|
325
|
0.036
|
0.0014
|
0.042
|
42
|
29
|
350
|
0.030
|
0.0012
|
0.042
|
42
|
34
|
400
|
0.025
|
0.0010
|
0.038
|
38
|
36
|
500
|
0.025
|
0.0010
|
0.025
|
25
|
25
|
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