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Mesh

As a unit indicating the dimensions of mesh, it indicates the number of mesh within a lineal distance of 1 inch(25.4mm).

In case it is not recognizable due to smallness of mesh, use a magnifying glass for measurement(or mesh gauge).

Wire

It is shown as the thickness of wire itself, or by the number of the wire gauge list. Unless specifically designated, B.W.G shall apply when it is thicker then #30, and S.W.G when thinner.

Opening

The distance between the inside surfaces of adjacent parallel wire and the opening is calculated by the following formula.

Opening(mm) = 25.4(mm) / mesh - wire dia(mm)

Opening Area

Gave the percentage of open area in a standard wire mesh.

Open Area(%) = [(Opening(mm) / (Opening(mm) + Wire dia(mm)) 2] X 100