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Author Message   Glenn Tinkerer Username: Glenn Post Number: 422 Registered: 07-2006 Rating: N/A Votes: 0 Posted on Wednesday, September 17, 2008 - 07:46 pm:    Jody, I do not know what 'cut' of solvent naphtha you have been using, but the petroleum spirits used in lighter fluids - Ronsonol, Shellite and the like will all evaporate very quickly, too quickly in some cases. I know that some Naphtha based solvents in the EU are blended from reclaimed stock, these are for use as industrial cleaning/paint solvents. As you are US based, I have no knowledge of what the specified 'cut'( temperature range) is for normal solvent naphtha. Petroleum (naphtha) solvents will not 'soak' into polished or blued steels. Where you get problems with solvent washed iris blades re-sticking, you will always find that you did not flush all the oils/grease out of the mechanism. As the solvent evaporates, it leaves a nice oily film on the blades.