Quote:
Originally Posted by weldtoride
It's sodium nitrate, not exactly a newcomer to the market, it's been around for a while. I know a guy who uses it, it's fast if you use the shorting method, you leave your tungsten in the torch but extend it, and then short it to heat it red hot. Repeated dipping and depth of dip sharpens the angle.
Here's a vid from the manufacturer of the above mentioned product, more than one way to heat the tungsten is described:
https://www.youtube.com/watch?v=drgaJVKxJxw
If you want to try it, there are some concerns out there re: the fumes and possible weld contamination for critical welds.
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Almost correct!
It is actually
sodium nitrite (NaNO2), not Sodium Nitrate as stated above.