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PARTICLE SIZE CONVERSION TABLE

Mesh Size Microns Inches Millimeters Nanometers
10 2000 0.0787 2 2,000,000
12 1680 0.0661 1.679 1,679,000
14 1410 0.0555 1.41 1,410,000
16 1190 0.0469 1.191 1,191,000
18 1000 0.0394 1.001 1,001,000
20 841 0.0331 0.841 841,000
25 707 0.0278 0.706 706,000
30 595 0.0234 0.594 594,000
35 500 0.0197 0.5 500,000
40 420 0.0165 0.419 419,000
45 354 0.0139 0.353 353,000
50 297 0.0117 0.297 297,000
60 250 0.0098 0.249 249,000
70 210 0.0083 0.211 211,000
80 177 0.007 0.178 178,000
100 149 0.0059 0.15 150,000
120 125 0.0049 0.125 125,000
140 105 0.0041 0.104 104,000
170 88 0.0035 0.089 89,000
200 74 0.0029 0.074 74,000
230 63 0.0025 0.064 64,000
270 53 0.0021 0.053 53,000
325 44 0.0017 0.044 44,000
400 37 0.001501 0.037 37,000
- 20 - 0.02 20,000
- 10 - 0.01 10,000
- 1 - 0.001 1,000
- 0.9 - 0.0009 900
- 0.1 - 0.0001 100
- 0.05 - 0.00005 50
- 0.02 - 0.00002 20
- 0.01 - 0.00001 10