On Tue, Sep 13, 2011 at 5:15 PM, Michael Watterson wrote= : > On 13/09/2011 20:34, Sergey Dryga wrote: > > Maybe baby oil (light mineral oil), sold in pharmacies? The lubricant > does not > > have to be polar to be soluble in ethanol, btw. > Olive oil is made of Olives. > Corn oil comes from Corn > Cod liver oil ... > > I dunno the name worries me. > > Find out what the original is. Some plastics disintegrate in wrong oil. > Apart from any effect it might have on raw skin. I'll take it to my lab and analyze it there when I get the time. Saturated oils tend to keep a long time, so I'll try some of those. Oils high in poly unsaturated hydrocarbon tails keep pretty well, due to being more stable. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .