Kinda makes me wonder what oil is on the steel when I buy them at the
steel yard. It gets on you and vaporizes off if in the open or the
sheet gets hot. Keeps the rust off. I suspect it is a light oil
of some kind.
On Tue, 23 Dec 2014 20:41:10 -0600, Martin Eastburn wrote:
I used aluminum flashing once for a model RR backdrop. I had to use
something (vinegar?) to remove the oil and then use an etchant to get the
latex paint to stick. Won't use flashing for that purpose again :-).
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