I think there is a strong risk of cross-purposes here.

To reply to the first question: if the product has been operating under
adverse climatic conditions, the "no-clean" chemistry is a no-no, unless
extremely careful qualification has been made.

To add something: "no-clean" chemistry has been designed to be as safe
as possible for what it has been designed, i.e., leaving the residues in
situ. Attempting to clean something which has not been designed to be
cleaned MAY work, but it is just as likely to be a helluva sight more
dangerous than not attempting to clean it, at all. NOT to be recommended
for the faint-hearted or ignorant.

Brian



Olivia Mc Dermott wrote:
>
> Is it OK to have flux residue on assemblies when the process is no clean. We
> have assemblies that are failing in the field and the customer thinks this
> flux residue may be an issue. They think the assembly has been wet.
> What do you think???? All help appreciated.
>
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