We have been using 5 light coats of automotive clear coat (acrylic
enamel) on flame painted copper. But recently we have found that it
is destabilized by insect repellant. It becomes sticky. Thinking
about what insect repellant does to a watch crystal, this makes
Rennaisance wax is possibly a good alternative if you have a piece
you can wax (weavings are nearly impossible to wax.
Any other suggestions would really be welcome.