[sdiy] unleaded solder

[sleepy_dog at gmx.de]

ok actually it was the Weller site that I remembered. Among other things 
in the workplace air, about lead-free solder fumes.
Looks yummy, the white stuff.

http://www.wellerzerosmog.com/health_risk/


Steve

Am 02.04.2016 um 19:35 schrieb sleepy_dog at gmx.de:
>
> I had found a PDF somewhere from a solder manufacturer introducing the 
> back then "new" (as in mandatory for products in EU) lead free stuff.
> They cautioned that, for the one who does the soldering, this is 
> potentially unhealthier, because the flux in lead free solder is more 
> "aggressive", bad for airways and in other sorts of ways. Can't 
> remember the link, alas. They staded that proper ventilation is even 
> more important when using lead-free solder.
>
> Somebody mentioned sponge vs. copper (I actually only know brass) 
> scrubber.
> Let me add to that that I have not heard anything about quicker eating 
> away of the tip when using that vs. a wet sponge. I, as a hobby-only 
> user can't tell anyway, my tip lasts "forever" ^^
> A wet sponge does, though, reduce the temperature of the tip, and may 
> leave a trace of minerals from tap water (one could use distilled 
> water of course), both of which I find annoying, and it's probably 
> also not good for the tip to get this frequently repeated cooling / 
> heating (at least that's what a pro EE who solders all the time once 
> told me)
>
> Steve
>
>
> Am 02.04.2016 um 18:19 schrieb Phillip Harbison:
>> Last night I was soldering for the first time in many years. I
>> am trying to use lead-free solder. I believe it is 99% tin and
>> 1% copper. In the lead solder days I never had a problem with
>> getting good joints. Last night I had lots of problems. Perhaps
>> it is more a matter of declining vision and unsteady hands, but
>> I'm inclined to believe the solder is part of the problem. When
>> using lead solder it was quick work so my eyes and hands did
>> not have as much time to become fatigued. It seemed to take
>> forever to get the solder flowing. I had my iron set at 430•C.
>> I'm not sure if that is sufficient temperature, but it is near
>> the iron's maximum temperature. I struggled to assemble a kit
>> with a ZIF socket, a dozen discrete components, and a handful
>> of connectors on a 1.25" x 4" board. I did not time myself but
>> I'm guessing at least 90 minutes. Any suggestions on what I
>> might be doing wrong? Should I give up on lead-free solder? I
>> would appreciate any advice anyone can offer.
>>
>