Solar PV Cable

What Tinned Copper means and why it`s better than pure copper?

tinned coppoer vs pure copper

Seems that some people get confused about what tinned copper is, after seeing the silver colour wire.

Tinned copper refers to copper wire or other copper conductors that have been coated with a thin layer of tin. The tin coating is applied through a process called electroplating, which involves immersing the copper in a solution of tin and then passing an electrical current through the solution to deposit a layer of tin onto the surface of the copper.

Tinned copper is often used for solar cables because it offers several advantages over untinned copper. The tinning process involves coating the copper wire with a thin layer of tin, which provides a number of benefits, including:

  1. Corrosion resistance: Tinned copper is more resistant to corrosion than untinned copper. This is because the tin coating acts as a barrier against moisture, air, and other corrosive substances that can damage the copper wire over time.
  2. Improved conductivity: Tinned copper has slightly higher electrical conductivity than untinned copper. This means that electricity can flow through the wire more easily, resulting in less energy loss and better overall performance.
  3. Solderability: Tinned copper is more easily soldered than untinned copper. This is because the tin coating helps the solder adhere to the wire, resulting in a stronger, more reliable connection.
  4. Durability: Tinned copper is more durable than untinned copper, which means it can withstand more wear and tear over time. This is particularly important for solar cables, which are exposed to a wide range of environmental conditions.

Overall, tinned copper is a popular choice for solar cables because it provides superior performance, durability, and reliability compared to untinned copper.

Tinned copper is often used in electrical wiring and other applications where corrosion resistance is important. The tin coating helps to protect the copper from oxidation and other forms of corrosion, which can degrade the electrical conductivity and other properties of the copper over time.

In addition to its corrosion-resistant properties, tinned copper is also preferred in some applications because it is easier to solder than bare copper. The tin coating helps to prevent oxidation and other contaminants from forming on the surface of the copper, which can interfere with the soldering process.

Hope all information above gives you a good knowledge about why tinned copper is better than pure copper. All our solar cables are tinned copper. If you want to have long-term weather resistance and not lose performance cable – look no further than our solar cables.

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