Copper

Copper is primarily known for two properties: electrical conductivity and thermal conductivity. Compared to other metals, copper has the best electrical conductivity, making it the material of choice for numerous applications such as power cables or electrical components. Thanks to its excellent thermal conductivity, copper can also be used in other products such as heat exchangers or cooling systems such as air conditioning systems. Another advantage and difference compared to other metals is the high corrosion resistance that copper already has by nature. As a result, copper is used not only in the electrical industry but also in the construction industry, especially for products that come into contact with water, such as pipelines or roofing.Translated with DeepL.com (free version)

Due to the difficulty of extracting copper and the increasing demand for copper, the price of the metal has risen in recent years. Copper is therefore somewhat more expensive than other metals such as aluminum, but is essential in numerous electronic products due to its high conductivity. In addition, copper can be susceptible to corrosion in certain aggressive environments, such as salt water. The so-called "patina", a greenish thin layer on the surface of the metal, indicates progressive corrosion. Finally, it is important to note that copper only retains its excellent properties if it is free from impurities. With recycled copper, special care must therefore be taken to ensure that the copper remains pure.