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120 mesh to micron: 125 µm (0.125 mm)
120 mesh is an opening of 125 microns, which is 0.125 mm or 0.00492 inch, on the ASTM E11 US standard sieve series. The nearest wedge wire equivalent is a 125 micron (0.125 mm) slot, because wedge wire is specified by its slot rather than a mesh count.
Opening125 µm
- Millimetres
- 0.125 mm
- Inches
- 0.004921 in
- Thou (mil)
- 4.921 thou
- Mesh
- 120 mesh
- Nearest coarser sieve
- 120 mesh, 125 µm
- Nearest finer sieve
- 120 mesh, 125 µm
Equivalent wedge wire slot: 125 micron (0.125 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 120 mesh
| Mesh | Micron (µm) | mm |
|---|---|---|
| 70 mesh | 212 | 0.212 |
| 80 mesh | 180 | 0.18 |
| 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 |
Swipe sideways to see the whole table.
What passes through 120 mesh
As a general reference on the Wentworth grade scale, particles smaller than 125 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 125 micron (0.125 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.