John Devereux wrote:
>> Robert Baer writes:
>>
>>> Joerg wrote:
>>>>
>>>> What's wrong with no-clean? I like it. But I never use lead-free
>>>> unless I really have to.
>>>>
>>> Because it is verrrry hard to clean all of the sh*t off!
>>> I think that the so-called "no-clean" formulations are rather
>>> conductive, spread like crazy, and polluting and need semi-aggressive
>>> cleaners to remove..and need multi-level cleaning methods and more
>>> time and energy than water soluble fluxes.
>>
>> That's why it's called no-clean! :)
>>
>> I've never had any trouble with it, analog circuits included.
>>
>
> Hmm, three experienced posters had conductivity trouble with this
> solder and you and I never did. That's really strange. And I did
> solder rather sensitive stuff with it such as photodiode circuitry
> where nanoamps mattered.
Me too on occasion (photodiode circuits).
I gather it can be bad to actually try to clean "no-clean" flux. Perhaps the reports from people who tried have given it a bad reputation?
>
>
> Just for the record I use the 15mil Kester 8806 No-Clean (leaded) in
> my lab and also at many clients.
>
>
>>> When one wants to have their circuit to work reliably to 200C (not a
>>> misprint), then everything, meaning all parts: under, over and around,
>>> as well as all of the PCB *must* be clean.
>>
>
> Ok, my stuff doesn't run that hot :-)
No, nor mine :)