Login für Abonnenten

Please log in to read subscribed content.




  • Content
  • Events Calendar
  • Editorial team
  • Subscription
  • Media
  • Newsletter
wire
wire
  • Reports
  • Business
  • Research + Development
  • Products
  • Whitepaper
  • Call umformtechnik.net
  • Issues digital
search.box
  • Content
    • Reports
    • Business
    • Research + Development
    • Products
    • Whitepaper
    • Call umformtechnik.net
    • Issues digital
  • Events Calendar
  • Editorial team
  • Subscription
  • Media
  • Newsletter

02/10/2025 – Surface treatment

Stains on copper wire

For copper and copper alloy wire products, the surface quality is usually very important. Many types of surface defects may occur, and a particular set of defects are the so-called stains, discoloration spots or a discoloration of part of the wire surface.

Previous image
stains-on-copper-Copyright-Q8Oils.jpg

To help identify the root cause of a stain, Q8Oils R+D department has developed a test to analyse the stain in more detail. © Q8Oils

 
Copper-cables-Copyright-Q8Oils.jpg

The appearance of stains may become visible at a different, later stage in the production than where the defect had occurred. © Q8Oils

 
stains-on-copper-Copyright-Q8Oils.jpg

To help identify the root cause of a stain, Q8Oils R+D department has developed a test to analyse the stain in more detail. © Q8Oils

 
Back to article

Further articles for:

  • cable manufacture
  • copper alloy wires
  • surface treatment
  • Kuwait Petroleum
  • Q8Oils
Jörg Dambock
Editor-in-chief

Jörg Dambock

Kuwait Petroleum N.V.

  Show company
  • Most read
  • Latest

14/10/2026

Wire manufacture

Integrated solutions for welding wire production

by Ann Kathrin Hassenburs

08/10/2026

Eder Engineering-Austria celebrates its 80th anniversary

Requirements change, but the goal remains the same

By  Jörg Dambock

20/10/2026

Coiling the future

Carrying forward an italian engineering legacy

By  Jörg Dambock

19/10/2026

Most‑Read Insights

Top 5 of the Week – 42/2026

By  Daniel Keienburg

06/10/2026

Wire drawing / tools

A revolution in PCD die production technology

By  Jörg Dambock

22/10/2026

Spring manufacturing

NASA returns to spring manufacturer for second Mars rover programme

By  Jörg Dambock

21/10/2026

Quality management

Belden reduces scrap materials and production costs

By  Jörg Dambock

20/10/2026

Coiling the future

Carrying forward an italian engineering legacy

By  Jörg Dambock

19/10/2026

Most‑Read Insights

Top 5 of the Week – 42/2026

By  Daniel Keienburg

14/10/2026

Wire manufacture

Integrated solutions for welding wire production

by Ann Kathrin Hassenburs

  • Meisenbach Verlag
  • Imprint
  • Data Privacy
  • Media
  • LinkedIn
  • RSS Feed
Meisenbach Logo