Electroformed Mesh Chart

Particle size specification from electroformed sieve

Grit size 99.9% through sieve, µm Higher control sieve Smaller control sieve Highest 2% through sieve, µm
Mesh µm Sieve, µm Pass % Sieve, µm Pass,% Not passed, µm
16 x 18 1180 x 1000 1700 1180 1000 710
18 x 20 1000 x 850 1400 1000 850 600
20 x 25 850 x710 1180 850 710 500
25 x 30 710 x 600 1000 710 600 425
30 x 35 600 x 500 850 600 500 355
35 x 40 500 x 425 710 500 8 425 90 8 300
40 x 45 425 x 355 600 455 360 255
45 x 50 355 x 300 500 384 302 213
50 x 60 300 x 250 455 322 255 181
60 x 70 250 x 212 384 271 213 151
70 x 80 212 x 180 322 227 181 127
80 x 100 180 x 150 271 197 151 107
100 x 120 150 x 125 227 165 10 127 87 10 90
120 x 140 125 x 106 197 139 107 75
140 x 170 106 x 90 165 116 90 65
170 x 200 90 x 75 139 97 11 75 85 11 57
200 x 230 75 x 63 116 85 65 49
230 x 270 63 x 53 97 75 57 41
270 x 325 53 x 45 85 65 49
325 x 400 45 x 38 75 57 15 41 80 15
Wide range grit specification
16 x 20 1180 x 850 1700 1180 850 600
20 x 30 850 x 600 1800 850 600 425
30 x 40 600 x 425 850 600 8 425 90 8 300
40 x 50 425 x 300 600 455 302 213
60 x 80 250 x 180 384 271 181 127

 

ISO size design Mesh size Weight for 99.9 % pass through Higher control sieve Highest sieve % Lower control sieve Min. on sieve Max. on sieve 0.5 % max through
200 mm sieves 75 mm sieves Sieve, µm Sieve, µm   Sieve, µm % % Sieve, µm
Narrow wide range
1181 16 x 18 1830 1280 1010 710
1001 18 x 20 1530 1080 840 600
851 20 x25 1280 915 710 505
711 25 x 30 1080 770 600 425
601 30 x 35 915 645 505 360
501 35 x 40 80 to 120 9.6 to 14.5 770 541 5 425 93 5 302
426 40 x 45 645 455 360 255
356 45 x 50 541 384 302 213
301 50 x 60 455 322 255 181
251 60 x 70 384 271 213 151
213 70 x 80 322 227 181 127
181 80 x 100 271 197 151 107
151 100 x 120 227 165 7 127 90 7 90
126 120 x 140 40 to 60 4.8 to 7.2 197 139 107 75
107 140 x 170 165 116 90 65
91 170 x 200 139 97 8 75 88 8 57
76 200 x 230 116 85 65 49
64 230 x 270 97 75 57 41
54 270 x 325 20 to 30 2.4 to 3.6 85 65 12 49 83 12 37
46 325 x 400 75 57 41 32