Particle Size Comparison

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PARTICLE SIZE COMPARISON

Particle size is usually measured using a series of meshes or sieves of known dimensions. The values on the table represent the dimensions of the mesh openings and are an indication of the particle sizes that each can filter. The actual particle sizes passing through a sieve depend on factors such as surface roughness and morphology; therefore, the results obtained from a sieve may differ from other particle sizing methods.

MESH VS. MICRON COMPARISON TABLE

Micron Screen Width Mesh (ASTM E11) Tyler Screen Milimeter Example
1000 18 16 1
850 20 20 0,85 Beach sand
710 25 24 0,71
600 30 28 0,6
500 35 32 0,5
425 40 35 0,425
355 45 42 0,355
300 50 48 0,3
250 60 60 0,25
212 70 65 0,212
180 80 80 0,18
150 100 100 0,15
125 120 115 0,125 Flour
106 140 150 0,106
90 170 170 0,09 Coal fineness for kiln
75 200 200 0,075 Hair
63 230 250 0,063
53 270 270 0,053
45 325 325 0,045 Cement
38 400 400 0,038
32 450 450 0,032
25 500 500 0,025
20 635 635 0,02
15 800 800 0,015
10 1250 1250 0,01 Pollen
5 2500 - 0,005
2 4800 - 0,002 Smoke
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