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Does chlorine affect copper?

Published in Copper Corrosion 2 mins read

Yes, chlorine has a corrosive effect on copper.

Chlorine's Impact on Copper Piping

Chlorine, often used to disinfect water supplies, can have a detrimental impact on copper pipes used in plumbing systems. The reference document explicitly states that CHLORINE IS CORROSIVE TO COPPER. This corrosiveness leads to the gradual erosion of the interior of the pipes.

How Chlorine Corrodes Copper

The process of corrosion unfolds as follows:

  • Initial Attack: Chlorine reacts with the copper pipe material.
  • Erosion: This reaction causes the slow wearing away of the pipe's inner surface.
  • Pinhole Leaks: Over time, the chlorine can eat through the entire pipe wall, resulting in the formation of small holes, known as pinhole leaks.

Potential Problems Caused by Chlorine-Induced Corrosion

Unattended pinhole leaks can create substantial problems:

  • Water Damage: Leaking water can damage walls, floors, and ceilings.
  • Mold Growth: Moisture promotes the growth of mold and mildew, leading to health issues and further structural damage.
  • Increased Water Bills: Even small leaks can waste a significant amount of water over time.
  • Structural Issues: Prolonged exposure to water can weaken building materials.

Summary

Aspect Description
Corrosive Agent Chlorine
Target Material Copper Pipes
Mechanism Chlorine reacts with copper, eroding the pipe's interior.
Result Pinhole leaks and potential for water damage, mold growth, increased water bills, and structural issues.