Monday, February 21, 2011
Copper Prep #3
This abrading, done in small circles with dry sand paper and quite abit of pressure, is what allow the paint to bond with the copper. I think an ion is exchanged between oil paint and the metal, but don't know the science exactly - only that it works!
Then I clean off any red dust that is left behind, again with the alcohol. Now it's ready to accept the ground of thinned flake white.