Comments for Foil Not Sticking

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Apr 17, 2011
warmer temperature
by: Anonymous

Foil will not stick well if the foil or the glass is colder than approx 65F. The warmer the better.

Aug 27, 2009
Isopropyl alcohol
by: Ken

Isopropyl alcohol is made in percentages of active ingredients 50%,70% alcohol and inactive ingredient purified water. I find that 70% USP works well for me.






Aug 23, 2009
Foill Not Sticking
by: Joyce - Mpls, MN

Thank you for your post. You have answered the question I submitted earlier. Which was - does foil get too old to use.

Aug 23, 2009
Rubbing Alcohol or Isopropyl?
by: Lisa Seger

Yesterday, I was told by another stained glass artist with much more experience than I, that rubbing alcohol shouldn't be used to clean the edges of the pieces because it has an oil base, while isopropyl alcohol is pure alcohol, no oil. What is your opinion on this information? This man was volunteering all sorts of info, but I hesitate to take the advise of a "competitor" at an art show when I know I can get the real deal from you.
Thanks Sue.

Answer
I had no idea there was a difference, so I did some research. From Wikipedia I learned that the term "rubbing alcohol" has become a general non-specific term for either isopropyl alcohol (isopropanol) or ethyl alcohol (ethanol) rubbing-alcohol products. Ethanol rubbing alcohol is prepared from a special denaturized alcohol solution and contains 97.5-100% by volume of pure, concentrated ethanol (ethyl alcohol). I could find no mention of oil in any of the articles that I read.

The alcohol that I use is isopropyl only because that's what's available around here.

As far as which one to use, I honestly don't know, but it appears that isopropyl is easier to find.

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