Review on 🔧 WeldingCity 10-pk TIG Welding Tungsten Electrode EWG Purple 1/16" x 7" - Non-Radioactive, Tri-Element by Timothy Weems
These are NOT non-radioactive
I have a Radex One geiger counter/dosimeter which I put on a new pack of 10 electrodes 0.040 x 7 inch 0.10 µS/hr. Dividing the readings by the volume of the electrodes I got very different numbers for 2% thorium (no, I didn't mix up the data - I measured to be sure) at 0.08 µS/h per cm3 (3/32 inch) and 0 .35 µS/h/cm3 (1/16"). These .040 Tri-Mix electrodes have a reading of 0.12 µS/h/cm3. Not bad, but definitely radioactive.
- Mixed trioxides of lanthanum, zirconium and yttrium with a total rare earth content of approximately 1.5% - 1.8%; Tungsten remains. Non-radioactive tungsten electrodes; excellent replacement for thoriated tungsten electrodes. Wide current range and low burn-in rate. Easy arc start and good stability.
- I don't remember but there was something
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