![](https://tungsten.de/_Resources/Persistent/3/b/4/9/3b498a45d12d0b20016ebc0a440d7eead46e00dd/WT30-1498x1750-565x660.jpg)
![](https://tungsten.de/_Resources/Persistent/0/7/2/e/072e612875e86a9977ed3ff2d6b653fa07dc249d/WT30-Groessen-1498x1750-565x660.jpg)
WT30 - purple
For better ignition behaviour
- Colour: purple
- For carbon steel, stainless steels, silicon bronze, copper, bronze, titanium.
- Composition: W + 3% thorium
- Little used electrode type with excellent ignition properties
- Can be replaced by non-radiating electrodes such as Lymox® or WL15.