WT 40 – orange

Increased thorium content for the best ignition

Composition: W + 4% Thorium

  • Still available at our company!
  • Brilliant ignition properties because of the increased thorium content compared to WT20. But there is also an increasing criticism as with the WT20 – meanwhile, this typ of electrode can be successfully replaced by radiation-free electrodes like Lymox or WL15