[TheForge] Forge welding cable
Peter Fels & Phoebe Palmer
artgawk at thegrid.net
Thu Aug 5 02:03:46 EDT 2010
Ah..makes sense..Thanks JB
James Binnion wrote:
> On Aug 4, 2010, at 4:00 PM, Jerry Frost wrote:
>
>> I like 1pt Boric acid to 3-4 pts borax as a flux. I don't know why
>> but it
>> seems a little more effective but that might just be me.
>
> That is because boric acid begins to melt at 340 F once it melts it
> begins to act as an oxygen barrier. It will not begin to actively
> dissolve oxides till much higher temps around 1100 F or so but it
> provides a good cover until then. Borax on the other hand does not
> melt till it reaches 1370 F so there is a lot of time for the work to
> oxidize before it glasses up and covers the work.
>
>
>
> James Binnion
> jbin at well.com
>
>
>
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