anthony wrote:
> Hello to all on TT. I have a roll of old solder. the label states made in
> england. Alloy Sn 50 ersin muliticore 5 core solder. non-corrosive flux. Can
> this be used for soldering connectors without that nasty degrigation. Im just
> not sure if it contains lead which is bad. Any help?
>
Ersin is the tradename for a rosin type flux, just fine for electrical
work. Sn 50 means it's 50% tin (Sn), 50% lead (Pb), and it will work
ok. The melting point for 50/50 is a bit higher than for eutectic (sn
63 or 67, I can't remember which).
Lead isn't a problem for electronics. The RoHS stuff is concerned with
the lead leaching out of the electronics later when it's crushed in a
landfill.
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