[sdiy] Transition to Lead-Free Hand Soldering
modular at go2.pl
Sat Aug 21 10:09:56 CEST 2021
Yes, the fumes. I've been using fumes extractor for so long I even
forgot they exist. It's my habit to turn the extractor on even if I need
to solder one wire. I can't even remember the smell of the fumes from
those lead-free wires. All my memories are bound to my childhood, when
my dad was soldering. Now that stuff was amazing. What a wonderfull
smell. they don't make them like that anymore. Very dark brow, almost
black after melting few times.
OTOH at one time I used scrap solder paste in a solder pot, to make an
experiment to solder headers in one go. Man, that stuff smells so bad. I
had big window open fully and it didn't help. Because of how the pot was
made I couldn't fit it under fume extractor so I gave it a go in free
air. What an awfull stink.
W dniu 2021-08-20 o 22:27, Tom Bugs via Synth-diy pisze:
> It varies dependent on manufacturer & specific flux type - hence why
> I've ended up using the Warton Metals type I mentioned yesterday (see
> also note on sensitivity to fumes from Kester Water-Washable).
> It mentions:
> # Contains no rosin (colophony), resin acids, pine oil or other
> naturally occurring derivatives from pine trees
> # Specially designed to reduce the number of world-wide cases of
> industrial asthma, related to rosin usage in soldering processes
> But, yes, I still try not to drown in the fumes ;)
> On 20/08/2021 19:09, Steve via Synth-diy wrote:
>>>> Am 19.08.2021 um 21:45 schrieb Mike Beauchamp
>>>> <list at mikebeauchamp.com>:
>>>> Have you converted to lead-free in your hobby as well? I'm curious
>>>> to hear others' suggestions and experiences.
>>> +1 for using leadfree solder here. At work I’m using almost only
>>> leadfree solder for hand-soldering, and honestly, I don’t think I
>>> could tell it from leaded solder in a blind test. This is solder
>>> with silver in it, things might be different with solder without
>>> silver (which is a lot cheaper).
>>> Also, I don’t change the tip temperature for different types of
>>> solder. It’s always at 350 °C. If solder is splattering, something’s
>>> awfully wrong.
>> The fumes seem to be a lot more aggressive to me, though. To mucous
>> membranes in the respiratory tract, that is.
>> And I do have the direct comparison, at home I only use leaded still.
>> I won't use it at home until I got a very effective fume removal
>> solution. My little "fume extractor" is only so effective... Not enough
>> for that stuff, or what still remains in the air of it to attack the
>> The leadfree, it might be the one without silver, well the solder joints
>> look matte and kinda like we used to identify bad solder joints with
>> leader solder.
>> Somewhat irritating :)
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