Oct 30, 2008 · There has been a lot of talk about using borax as a flux, some use it straight from the box and some talk about using anhydrous borax. The difference is the chemically attached water. Borax …

Jul 28, 2020 · Drying borax as described removes only the water on the surface of the borax crystals and not the crystal water. Anhydrous borax, on the other hand, is formed by the removal of the …

May 7, 2025 · Good morning! after forge welding, I occasionally get borax pushing through my finish. Why does this happen and how do I address it?

Apr 15, 2008 · hey it seems that everyone uses Mule 20 team borax for amateur (me) forge welding. however, in any tutorials i have found, it just says to use it, it doesn't say HOW! i can get it in this …

Apr 23, 2019 · Alright I have been using plain old borax for welding and have had a few successful fluxes welds. I have read quite a few threads about fluxes and I'm going to make my own. I've read …

May 2, 2016 · Borax or (boron generally) has a tendency to form compounds with low melting point together with metal (and metalloid) oxides. This is why borax is a good flux. It will combine with the …

Feb 24, 2009 · Borax isn't healthy. They use boric acid as insecticide-borax is some sort of derivative of that. If you buy any flux from sellers get an MSDS sheet-if it's a guy at a hammer in make him get an …

Jun 18, 2024 · I expected the borax to shoot out & the copper to weld. But, it didn't do it. Immediately, I had to stop, as with those few hits, I was already making the copper too thin, about 3/32". What am I …

Mar 5, 2007 · Lodo sand can be used as a flux, as can many things, Boric Acid for instance. In Richardson's Practical Blacksmithing the list several recipes for flux that contain sand. As for …

Dec 13, 2007 · Boric Acid H3BO3, Borax Na2B4O7. Sodium, Na, is an alkaline metal, it would tend to neutralize the "acid" in boric acid. The basic function of a flux is to protect the metal from oxidization …