[TheForge] rust finish

[Andrew Vida]

sos at frii.com wrote:
> Does ordinary lacquer stand up to UV from the sun? I don't know.

	No.  The sun is a pretty powerful destructive agent where finishes are 
concerned.  Finishes like incralac and permalac are supposed to be 
pretty good, but I have never used them so I don't know first hand. 
Marine varnishes, however, are very strong in this regard.
> 
> I've used a special purpose lacquer on an outdoor iron (unrusted) sign:
> http://www.permalac.com/
> I added an organic corrosion inhibitor (Irgacor 153?). I suspect Permalac
> comes with something like it now, but I don't know.
> The sign has been up ~15 years with no sign of any rust. This is on the
> side of a brick wall in Loveland, Colorado, which has a pretty dry
> climate.