[mark_in_manc]

Also very useful for starting recalcitrant lawnmowers (ahem, checks for mods) petrol generators.

What variety of volatile hydrocarbon it is, I don't know. I tend to use acetone (ordered from ebay and came by post, who would have thought it) as a cheap-ish general purpose liquid solvent, and even paraffin is pretty good if you can get it at a reasonable price. Folks more knowledgeable than me on here will tell you what tends to dissolve PCBs etc etc...