This is interesting, Jim. Thanks. Harry On 5/6/09 10:07 AM, "Jordan Wosnick" <jwosnick@xxxxxxxxx> wrote: > > Coming to this thread a bit late, but... > > Glow-in-the-dark materials are almost always based on zinc sulfides or on > alkaline earth silicates containing small amounts of lanthanides (usually > europium). They are always "pigments" rather than dyes -- the phosphorescence > comes from the crystal structure. > > It sounds like Harry's dried-up paint was originally a water-based latex > suspension with phosphorescent pigment in it. If it had any xylene in it, it > would have really smelled strong. It's probably just easiest to buy a new jar > of paint or of tape, as per Jim's comments. > > As for xylene vs. xylol -- what we in the English-speaking world call benzene, > toluene and xylene, the German-speaking world calls benzol, toluol and xylol. > This could be the source of the confusion. > > On Mon, Apr 27, 2009 at 9:55 PM, Jim Brick <jim@xxxxxxxxx> wrote: >> I have a roll of glow tape. I cut small pieces and stuck them on my light >> switches and drawer pulls in my darkroom. The glow lasts for a very long >> time. I don't know where I got it, but I sure like it as it is easily removed >> and... it hasn't dried up in 20 years - it's still sticky. >> >> :-) >> >> Jim >> >> >> >> On Apr 26, 2009, at 8:23 AM, harry kalish wrote: >> >>> Does anyone know what the solvent could be for the common phosphorescent >>> paint that is for sold darkroom applications? I have a small jar of it that >>> has dried into a solid mass, and would like to refresh it into a useful >>> state. >>> Thanks, >>> Harry. >>> >>> >>> ============================================================================ >>> ================================= >>> To unsubscribe from this list, go to www.freelists.org >>> <//www.freelists.org> and logon to your account (the same e-mail >>> address and password you set-up when you subscribed,) and unsubscribe from >>> there. >> >> ============================================================================= >> ================================ >> To unsubscribe from this list, go to www.freelists.org >> <//www.freelists.org> and logon to your account (the same e-mail >> address and password you set-up when you subscribed,) and unsubscribe from >> there. > >