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Subject: Re: [Homebrew_PCBs] Isopropyl Alcohol 90%

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2006-11-28

On Tue, 28 Nov 2006 06:43:34 +0100, Syd H. Levine
<wireline@...> wrote:

> Ethanol will most definitely attack polystyrene and its cousins. If you
> have not noticed it, it is because you have not been handling true
> polystyrene. It does not attack most other plastics. My paper towel
> dispensers in the shop are polystyrene, and if my fingers are wet with
> ethanol, they will stick to the darn things and leave fingerprint marks.


I'll try again then!

Did you use pure ethanol or a denatured variety?

ST