BOER15YC – 1
ELECTRODE MATERIAL
![](https://brisk.eu/content/uploads/2019/02/sz-mat-elektrod1.jpg)
- Nickel alloy centre electrode
- CCopper core centre electrode / from a special alloy with yttrium
- EYytrium alloy ground electrode with copper core
- SSilver centre electrode
- PCentre electrode with platinum contact
- IRCentre electrode with iridium contact