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100 mesh to micron: 150 µm (0.15 mm)

100 mesh is an opening of 150 microns, which is 0.15 mm or 0.00591 inch, on the ASTM E11 US standard sieve series. The nearest wedge wire equivalent is a 150 micron (0.15 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".

Opening150 µm

Millimetres
0.15 mm
Inches
0.005906 in
Thou (mil)
5.906 thou
Mesh
100 mesh
Nearest coarser sieve
100 mesh, 150 µm
Nearest finer sieve
100 mesh, 150 µm

Equivalent wedge wire slot: 150 micron (0.15 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 100 mesh

MeshMicron (µm)mm
60 mesh2500.25
70 mesh2120.212
80 mesh1800.18
100 mesh1500.15
120 mesh1250.125
140 mesh1060.106
170 mesh900.09

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What passes through 100 mesh

As a general reference on the Wentworth grade scale, particles smaller than 150 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 150 micron (0.15 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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