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From: James Meyer
Subject: Re: Washing PCB's after soldering...with what?
X-Newsreader: Forte Agent 1.92/32.572
Date: Thu, 21 Nov 2002 00:48:42 GMT
NNTP-Posting-Date: Wed, 20 Nov 2002 19:48:42 EST
On Wed, 20 Nov 2002 20:04:54 +0100, "PCS Electronics"
>We're hand-soldering (small series) our PCBs and are
>wondering what would be the best chemical for washing
>the boards afterwards.
>We've tried Acetone and Ethanol, the first is way too strong as
>it melts the caps and other plastic, the second (Ethanol - alcohol)
>leaves the PCB looking very dry and ugly with white powder
>where the soldering paste used to be.
>Does anyone here have experience with this kind of stuff?
I have very good results with an alcohol wash followed by a soap and
water bath. The alcohol removes the non-ionic residue and the water gets the
ionic white stuff left over. Electric dishwasher detergent maked a useful
non-foaming solution with good cleaning properties and rinses away cleanly.
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