[volt-nuts] Thermal EMF of common solder

[Todd Micallef]

Andrea,

Thank you for your research. A few years ago I purchased some Pb free
solder from Radio Shack. I recently discovered it is listed as 96/4 solder.

The part number is 640-0025
https://www.radioshack.com/products/lead-free-solder-0-25-oz?variant=5717831877

The MSDS is listed on the webpage. Any chance you could add it to your
list?

Todd

On Sun, Jun 26, 2016 at 1:55 PM, Andrea Baldoni <erm191ba3 at ermione.com>
wrote:

> On Sun, Jun 26, 2016 at 11:55:56AM -0500, David wrote:
>
> > I have a spool of something from Kester that may be Sn96Ag4 but it is
> > only marked Sn96.
>
> Sn96 could also be the trade name for the Sn96.5/Ag3.5.
>
> Name            Composition
>
> SAC101          Sn98.9 Ag1.0 Cu0.1
> SAC105          Sn98.5 Ag1.0 Cu0.5
> SAC125          Sn98.3 Ag1.2 Cu0.5
> SAC125+Ni       Sn 98.25 Ag 1.2 Cu 0.5 Ni 0.05
> SAC266          Sn96.8 Ag2.6 Cu0.6
> SAC300          Sn96.95 Ag3.0 Cu0.05
> SAC305          Sn96.5 Ag3.0 Cu0.5
> SAC307          Sn96.3 Ag3.0 Cu0.7
> -               Sn80.8 Sb18 Ni1.2
> -               Sn98.9 Ag1.0 Cu0.5
> SAC350          Sn96.45 Ag3.5 Cu0.05
> SAC387          Sn95.5 Ag3.8 Cu0.7
> SAC400          Sn95.95 Ag4.0 Cu0.05
> SAC405          Sn95.5 Ag4.0 Cu0.5
> Sn96            Sn96.5 Ag3.5
>
> (non lead free:)
> Sn63            Sn63 Pb37
> Sn62            Sn62 Pb36 Ag2.0
> Sn10            Sn10 Pb90
>
> The Sn96/Ag4 seems to be for the food service equipment, refrigeration,
> heating, air conditioning, plumbing and not common in electronics.
> The Sn10/Pb90 is also known as low EMF but being non RoHS I don't think
> it's
> easy to find it (though not too dangerous to work with).
>
> I don't know if the .5% Ag between the 96.5/3.5 and 96/4 would change much
> in
> the EMF, I'll test it and report, if I find both.
>
> Best regards,
>  Andrea Baldoni
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