Article View: sci.electronics
Article #20808Re: nasty fluorocarbons
From: Jon Bayh
Date: Sat, 18 Feb 1989 21:03
Date: Sat, 18 Feb 1989 21:03
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> We buy these spray cans of TCE for defluxing circuit boards. I
> know that fluorocarbons are bad for the ozone layer and in this
> case, we're not just talking about the propellant, but the contents
> delivered by the propellant are fluorocarbons (I believe).
>
> What alternative do we have? We really need to be able to clean
> the circuit boards after reworking them so we can visually inspect
> them and also to remove any small pieces of solder.
>
> Phil Ngai, phil@diablo.amd.com {uunet,decwrl,ucbvax}!amdcad!phil
Denatured alcohol seems to work well for individual jobs. Just brush it on
with a paint brush and let it drain off. I don't know how well it would
work in a production application. I also don't know whether it would harm
(or alter the specs of) components. I've used it a few times and had no
problems.
Jon Bayh
hplabs!hpda!jonb
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!hplabs!hpda!hpcupt1!jonb From: jonb@hpcupt1.HP.COM (Jon Bayh) Newsgroups: sci.electronics Subject: Re: nasty fluorocarbons Message-ID: <7110013@hpcupt1.HP.COM> Date: 18 Feb 89 21:03:09 GMT References: <24497@amdcad.AMD.COM> Organization: Hewlett Packard, Cupertino Lines: 19