Hello! I am trying, to no avail, to find a casting company that is
pouring Rio Grande’s Ancient Bronze alloy.
It is composed simply of 90% copper and 10% tin. I have been pouring
this alloy for years myself and have already worked out all of the
specific qualities of the metal in regards to working properties,
how it takes a patina and how to fire it with specific paint
surfaces. I want to send my pieces out to a company that can do the
moulding and casting and finishing for me. It does not have to be the
brand name exactly, but the same make-up. I can’t use any alloys that
contain zinc as it effects the color/patina/weight of the pieces and
there were allergy issues when I had pieces poured with a zinc alloy.
And anything like sculptural bronze such as Everdure contains a small
amount of lead and would lead me back to the drawing board in
regards to the techniques I’ve already worked out. Does anybody know
where I can go to get what I need??? The companies I’ve talked to
already include Silver Cloud, Larry Paul, RM Manufacturing, Billanti.
All were extremely helpful but none pour this specific alloy. Thanks
for any help you can offer!