WT 20 – red

Best ignition – 2% Thorium

Composition: W + 2% Thorium

  • Still available at our company!
  • A common typ of electrode because of the excellent ignition characteristics, but there is an increasing criticism concerning the 2% share of radioactive thorium
  • Meanwhile, this typ of electrode can be successfully replaced by radiation-free electrodes like Lymox or WL15