Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color.
C 6006 (OTTO) Copper foil, 2.5 µm thick, 99.9% Cas 7440-50-8 - used as an electrolytic material and is deposited on the base layer of printed circuit boards. It also has a low rate of surface oxygen and can be attached to different substrates, such as insulating materials and metals.