Grant,

We have been testing for this application (clean the no-clean, then coat).
We have had success using synthetic alcohol's in an immersion cleaner,
followed by IPA rinse and bake out.  Urethane and acrylic coatings adhere,
but Uralane 5750 won't.

Rainer Blomberg
Honeywell - Space Systems
Staff Production Engineer


-----Original Message-----
From: Grant Emandien [mailto:[log in to unmask]]
Sent: Monday, February 28, 2000 3:12 AM
To: [log in to unmask]
Subject: [TN] Cleaning of 'No clean' fluxes


hi all,

Has anyone had any sort of success in the cleaning of 'no clean' fluxes on
assemblies which are then to be conformally coated. I ask this as our
processes (or at least their output) is at variance with new customer
requirements, and hence may need to adjust or possibly introduce new ones.
No Clean fluxes are used on the bulk of our products and now venturing in
contract manufacturing, new requirements of coming more and more to the
fore.

Thanks
Grant

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