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70 mesh to micron: 212 µm (0.212 mm)
70 mesh is an opening of 212 microns, which is 0.212 mm or 0.00835 inch, on the ASTM E11 US standard sieve series. The nearest wedge wire equivalent is a 212 micron (0.212 mm) slot, because wedge wire is specified by its slot rather than a mesh count.
Opening212 µm
- Millimetres
- 0.212 mm
- Inches
- 0.008346 in
- Thou (mil)
- 8.346 thou
- Mesh
- 70 mesh
- Nearest coarser sieve
- 70 mesh, 212 µm
- Nearest finer sieve
- 70 mesh, 212 µm
Equivalent wedge wire slot: 212 micron (0.212 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 70 mesh
| Mesh | Micron (µm) | mm |
|---|---|---|
| 45 mesh | 355 | 0.355 |
| 50 mesh | 300 | 0.3 |
| 60 mesh | 250 | 0.25 |
| 70 mesh | 212 | 0.212 |
| 80 mesh | 180 | 0.18 |
| 100 mesh | 150 | 0.15 |
| 120 mesh | 125 | 0.125 |
Swipe sideways to see the whole table.
What passes through 70 mesh
As a general reference on the Wentworth grade scale, particles smaller than 212 µm pass: very fine sand, 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 212 micron (0.212 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.