I have inherited someone’s commission. Many years ago, a friend
commissioned some belt mounts. The years passed and the mounts were
completed but not delivered until just recently.
My new problem children are large 2" square frames that will hold an
etched square in the middle. They aren’t really square but I can
deal with the geometry. Several of the castings have some kind of
filler paste slathered over them. Since I can see porosity on
several of them and a few with incomplete corners and a few with
little holes through them…it’s clear that the casting run was not a
complete success and it looks like this is some kind of patch job. I
showed the frames with the paste on them to someone who does non
jewelry metalwork and he says it looks like Bond-O, a car body filler
compound. It files off ok so I could get a smooth surface but what
would you do to hide the ugly gray paste? Can you plate Bond-O (if
that’s what it is)?
If it were my castings, I would have tossed them back in the “to be
re melted” pile but they aren’t.
So, my problem revolves around what to do to cover the holes or hide
the weird paste stuff. Is there an established methodology to "fix"
porosity or small holes? Is there a patching compound that can be
Thank you for any help you can give me. The amount of useful
on this list is amazing!