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170 mesh to micron: 90 µm (0.09 mm)
170 mesh is an opening of 90 microns, which is 0.09 mm or 0.00354 inch, on the ASTM E11 US standard sieve series. The nearest wedge wire equivalent is a 90 micron (0.09 mm) slot, because wedge wire is specified by its slot rather than a mesh count.
Opening90 µm
- Millimetres
- 0.09 mm
- Inches
- 0.003543 in
- Thou (mil)
- 3.543 thou
- Mesh
- 170 mesh
- Nearest coarser sieve
- 170 mesh, 90 µm
- Nearest finer sieve
- 170 mesh, 90 µm
Equivalent wedge wire slot: 90 micron (0.09 mm)
Wedge wire is specified by its slot directly, so a wedge wire screen has no mesh count. Quote the slot in mm or microns.
Your inputs and results go into the quote form, so an engineer can check them against your operating conditions.
Nearby sizes
Mesh sizes near 170 mesh
| Mesh | Micron (µm) | mm |
|---|---|---|
| 100 mesh | 150 | 0.15 |
| 120 mesh | 125 | 0.125 |
| 140 mesh | 106 | 0.106 |
| 170 mesh | 90 | 0.09 |
| 200 mesh | 75 | 0.075 |
| 230 mesh | 63 | 0.063 |
| 270 mesh | 53 | 0.053 |
Swipe sideways to see the whole table.
What passes through 170 mesh
As a general reference on the Wentworth grade scale, particles smaller than 90 µm pass: silt, clay. Real separation also depends on particle shape, the screen's open area and how the screen is loaded.
The wedge wire equivalent
A wedge wire screen is specified by its slot, so the equivalent is a 90 micron (0.09 mm) slot. Because the V-shaped wire widens behind the slot, particles that pass the face do not wedge in it. See mesh to micron and slot size and how to choose slot and open area.