Homebrew PCBs

I Agree,
 all the screaming about the dangers of lead based solder is just a
" tempest in a tea pot,"
The uproar started with the suspicion  that lead based paint chips had
caused mental retardation in some poor children..
There are many studies however, that show that there are few if any hazards
associated with the use of lead based solder.
Simply handling solder is certainly not hazardous as long as the user
remembers to wash his hands after using it and before eating.,


I do however question the health aspects of inhaling the rosin fumes. I use
a small fan to suck the fumes away from my face and a HEPA filter to trap
any particulate.
Works great even when using a torch to solder parts together or using a
solder pot and dipping wire leads.
.
I have also noticed that the "non-lead" variety of solder has a tendency to
crystallize after just a year or two and develop high resistance and
"noisy" joints!
 Maybe that is why so much of the  equipment made in Europe, Japan or China
tends to fail after a few years of operation..


Dan


"Everything that glitters is not necessarily good." Anon.






On Fri, Jul 18, 2014 at 9:12 AM, 'Tony Smith' ajsmith1968@...
[Homebrew_PCBs] <Homebrew_PCBs@yahoogroups.com> wrote:


>
>
> > 4.2.3 Dermal absorption
> > Dermal absorption of inorganic lead compounds is negligible (ATSDR 2007,
> US
> > EPA 2006). Few studies have provided quantitative estimates of dermal
> > absorption of inorganic lead in either humans or animals. Those that have
> been
> > conducted consistently show the absorption to be negligible for both
> soluble
> > and insoluble lead compounds.
>
> And tells you to wash your hands afterwards.
>
> It's not saying anything new, we all know chewing on the solder is a bad
> idea.
>
> Tony
>
>  
>