top level electromagnetic shielding mesh 
Material pure copper wire

Specification
Mesh: 16mesh to 180mesh(16mesh, 40mesh, 50mesh, 60mesh, 80mesh, 100mesh, 120mesh, 180mesh)
Wire diameter: 0.28mm to 0.06mm
Standard roll width 1.0m
Standard roll length 30.0m

Characteristics
1) allows for easy visual and verbal communications
2) provides excellent attenuation to magnetic fields, electric fields and plane waves.
3) High transparency, good conductivity and oxidation properties

Application
Useful for RF and electric field shielding, Faraday cages and grounding

Packing
Packed in rolls, outside wooden cases.