On Jun 3, 2005, at 17:37, Doug McNutt wrote: > Ethanol and isopropanol are specifically recommended for cleaning of > printed circuit boards. Plastic electronic parts are safe by > specification with those solvents. Quite so. > Rubbing alcohol from the drugstore is usually over 50% water. [...] > local commercial cleaning supplier[...] Ask for "dry" or "anhydrous" > alcohol Here (Toronto, Ontario), you can get from the drugstore "rubbing alcohol" which is 70% isopropyl alcohol, or antiseptic alcohol, which is 99% isopropyl alcohol. Strictly speaking, anhydrous alcohol should be 100% alcohol, but I've seen the term applied commercially to alcohol which was as little as 96%, although more usually it's something like 99.95% or more. It seems to me that 99% is fine for most uses. <0x0192>