Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: [Homebrew_PCBs] Isopropyl Alcohol 90%

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2006-11-29

On Wed, 29 Nov 2006 10:17:30 +0100, Syd H. Levine
<wireline@...> wrote:

>
> As to the denaturing agent being Methyl Ethyl Ketone (MEK) in Europe,
> that
> is rather interesting. MEK is VERY aggressive against ABS and PVC. It
> would be hard to believe that Ethanol denatured with MEK would not be as
> bad
> as Ethanol denatured with Methanol with respect to attacking ABS.


I can not be sure if it is is my denatured ethanol, since i do not have a
MSDS for the brand i currently use. But all MSDS i've downloaded listed
MEK, and i used several brands over the years, so it is highly likely some
if not all contained MEK.

I have used it on ABS countless times, and never observed any trouble like
surface damage in any way.
Maybe the low percentage renders MEK harmless.

ST