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August 2006

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From:
Mike Fenner <[log in to unmask]>
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Date:
Fri, 11 Aug 2006 18:16:57 +0100
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I would seriously be questioning "why am I doing this?", but if you have to
then I offer the following.

Any topical cleaner has to be able to run off the board without [flash]
drying, If it dries on the board then all it will have done is taken the
nice safe no clean flux which is usually confined to a small area if paste
or cored wire, and spread it out all over the place so you can't see it. If
insufficient is used then the easy to remove non polar components will be
removed at least partially, but there is a risk of leaving behind
polar/ionic soils. These are the real items of concern.
So you are looking for key words like: 'bipolar' a 'blend to remove both
ionic and non ionic' stuff like that. Also for a reasonably high Boiling
point, say 80C or more.

Hope this helps and good luck

Regards

Mike
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Diamond, Pat
Sent: 11 August 2006 07:52
To: [log in to unmask]
Subject: [TN] Flux Removers

Hi all,

has anyone had any experience using  a couple of flux removing solvents?

Micro Care Flux Remover C

Techspray Flux remover G3

we are evaluating these hand cleaning solvents to replace our present one.

Or if you have experience of any other alternative cleaners that you think
might offer better flux removing properties...........

regards,

Pat Diamond

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Mr Pat Diamond
Senior Specialist Engineer
Weston Aerospace                Tel:     +44 (0)1252  868122
124 Victoria Road               Fax:    +44 (0)1252 370298
Farnborough, Hampshire, GU14 7PW        Web    www.westonaero.com>
England         Email  mailto:[log in to unmask]

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