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25 mesh to micron: 710 µm (0.71 mm)

25 mesh is an opening of 710 microns, which is 0.71 mm or 0.028 inch, on the ASTM E11 US standard sieve series. The nearest wedge wire equivalent is a 710 micron (0.71 mm) slot, because wedge wire is specified by its slot rather than a mesh count.

Mesh sizes follow the ASTM E11 US standard sieve series. Between listed sieves the mesh is interpolated and marked "about".

Opening710 µm

Millimetres
0.71 mm
Inches
0.02795 in
Thou (mil)
27.95 thou
Mesh
25 mesh
Nearest coarser sieve
25 mesh, 710 µm
Nearest finer sieve
25 mesh, 710 µm

Equivalent wedge wire slot: 710 micron (0.71 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 25 mesh

MeshMicron (µm)mm
16 mesh1,1801.18
18 mesh1,0001
20 mesh8500.85
25 mesh7100.71
30 mesh6000.6
35 mesh5000.5
40 mesh4250.425

Swipe sideways to see the whole table.

What passes through 25 mesh

As a general reference on the Wentworth grade scale, particles smaller than 710 µm pass: medium sand, 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 710 micron (0.71 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.

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