I have tried it at anothers recomendation and found it wanting, but he says
it works well for him. I prefer old 20 mule team with about an equal amount
of boric acid, or just the borax. Anhydrous borax is better, but more
costly, not what a hobbiest needs. Patent fluxes work well too, but again
cost. I have recontly started welding without flux but the jury is still
out. The most important thing about welding is believing that you can.
Refractory is an expendable component in the process. It wears out and
you replace it. I'm on my third lining, and it's firebrick and
concrete. Try to find out just what materials this fellow was using
with the lime flux; seems awfully reactive to me, and high heat usually
just accelerates the reaction. It would be damn hard to look at too,
remember 'limelight'? You might have to resort to the welding mask from
the arc welder. Go slow, safety first, stay upwind, plan ahead.
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