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500 micron to mm: 0.5 mm
500 microns is 0.5 mm, or 0.0197 inch. As a sieve opening it is 35 mesh on the ASTM E11 series. For a wedge wire screen, specify it directly as a 500 micron (0.5 mm) slot.
Opening500 µm
- Millimetres
- 0.5 mm
- Inches
- 0.01969 in
- Thou (mil)
- 19.69 thou
- Mesh
- 35 mesh
- Nearest coarser sieve
- 35 mesh, 500 µm
- Nearest finer sieve
- 35 mesh, 500 µm
Equivalent wedge wire slot: 500 micron (0.5 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
Sizes near 500 microns
Swipe sideways to see the whole table.
What passes a 500 micron opening
As a general reference on the Wentworth grade scale, particles smaller than 500 µm pass: fine sand, 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 500 micron (0.5 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.