100 mesh copper wire mesh refers to a type of woven wire mesh made from copper wire that has 100 openings per linear inch. This means that there are 100 wires running horizontally and 100 wires running vertically per square inch of the mesh. The wire diameter and the opening size of the mesh can vary depending on the specific application. Copper wire mesh is known for its excellent electrical conductivity, thermal conductivity, and corrosion resistance, making it suitable for use in a variety of industries, including electronics, filtration, and decorative applications.