I have for some time wondered about using what's known as sil-fos, or
commonly known as _silver brazing rod_. It varies from 15% to just 5%
silver, the remaining being copper. Has anyone tried this as a
substitute for cadwelding? I have been a refrigeration mechanic, and we
use that rod to connect copper to copper or brass joints (with flux)
rather than sweat-soldering. They are high pressure joints and it seems
as though it would work well for ground rod brazing as well. Any
comments, folks?
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