Material pure copper wire specification mesh :1 mesh to 180mesh wire diameter:1.0mm 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 screening a variety of particles, powder, porcelain clay, glass;filtering liquid and gas, chemicals ;for electronic equipment , customs, aviation and space; information industry, machinery, finance etc Packing: packed in rolls, outside wooden cases. [email]