[pure-silver] Re: Purosol Optical Lens Cleaning Fluid

Ethanol probably works just as well as Isopropanol. The problem is that most people can not get the pure stuff at a reasonable a price because it is taxed as liquor. Ethyl rubbing alcohol is denatured with other stuff, frequently Acetone.

Several snips.

Denatured ethanol can contain a wide gamut of denaturants. For optical applications, something like Formula 30 ( 30 % methanol ) is essentially residue free. On the other hand it could contain naphthalene, aviation gasoline, or GOKW (God only knows what).

Howard
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