Knowledge about the Use of Electrolytic Copper Foil

Electrolytic copper foil is an important material for the manufacture of copper clad laminates (CCL), printed circuit boards (PCB), and lithium-ion batteries. In the rapid development of today’s electronic information industry, electrolytic copper foil is called a “neural network” for the transmission and communication of signals and power of electronic products. Since 2002, my country’s printed circuit board production value has surpassed the third place in the world. As the substrate material of PCB, copper clad laminate has also become the third largest producer in the world. As a result, my country’s electrolytic copper foil industry has developed rapidly in recent years.


Electrolytic copper is widely used. Electrolytic copper is a nonferrous metal that has a close relationship with humans. It is widely used in electrical, light industry, machinery manufacturing, construction industry, national defense industry and other fields, second only to aluminum in the consumption of nonferrous metal materials in China .




1. The most widely used and largest used in the electrical and electronic industries, accounting for more than half of the total consumption. Electrolytic copper is used for various cables and wires, windings of motors and transformers, switches and printed circuit boards.


2. It is widely used in the manufacture of vacuums, distillation pots, brewing pots, etc. in the chemical industry


3. In the manufacture of machinery and transportation vehicles, it is used to manufacture industrial valves and fittings, instruments, sliding bearings, molds, heat exchangers and pumps.


4. In the defense industry, it is used to manufacture bullets, shells, gun parts, etc. For every 1 million rounds produced, 13-14 tons of copper is required.


5. In the construction industry, it is used as various pipes, pipe fittings, decorative devices, etc.


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