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500 mesh to micron: 25 µm (0.025 mm)
500 mesh is an opening of 25 microns, which is 0.025 mm or 0.000984 inch, on the ASTM E11 US standard sieve series. The nearest wedge wire equivalent is a 25 micron (0.025 mm) slot, because wedge wire is specified by its slot rather than a mesh count.
Opening25 µm
- Millimetres
- 0.025 mm
- Inches
- 0.0009843 in
- Thou (mil)
- 0.9843 thou
- Mesh
- 500 mesh
- Nearest coarser sieve
- 500 mesh, 25 µm
- Nearest finer sieve
- 500 mesh, 25 µm
Equivalent wedge wire slot: 25 micron (0.025 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 500 mesh
| Mesh | Micron (µm) | mm |
|---|---|---|
| 200 mesh | 75 | 0.075 |
| 230 mesh | 63 | 0.063 |
| 270 mesh | 53 | 0.053 |
| 325 mesh | 45 | 0.045 |
| 400 mesh | 38 | 0.038 |
| 500 mesh | 25 | 0.025 |
| 635 mesh | 20 | 0.02 |
Swipe sideways to see the whole table.
What passes through 500 mesh
As a general reference on the Wentworth grade scale, particles smaller than 25 µm pass: 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 25 micron (0.025 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.