Homebrew PCBs

----- Original Message ----- 
From: "DJ Delorie" <dj@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, November 27, 2006 4:37 PM
Subject: Re: [Homebrew_PCBs] mini-project done, and cleaning no-clean flux


>
> "Leon Heller" <leon.heller@...> writes:
>> I forgot to mention that it might contain oil of wintergreen, which will
>> leave an oily residue. Pure IPA is best, and is easy to obtain from
>> electronic suppliers.
>
> Ok, the two alcohols I have are both 70% alcohol, with nothing else
> but water.  They got off most but not all of the residue.  The water
> pic didn't do much for the remainder.  Xylene helped a little, but
> there's still residue.

The IPA I use is 99.7% pure. It's made by Electrolube.

Leon