In article ,
"Michael Koblic" wrote:

This is what I observed while degreasing some parts:

http://www.flickr.com/photos/2768312.../with/51216018
23/

It does not seem to fade or slow down with time. Any clues?

--
Michael Koblic,
Campbell River, BC


Just a wild ass guess...

Is the solvent a good bit cooler than the ambient air? Could it be water
condensation on the surface?

Erik