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Default why 60-40 solder?


"Clint Sharp" wrote in message
...
In message , Pieter
writes
It is illegal to produce boards with lead, just check the internet on
RoHS. It is allowed in military applications and some medical devices
as reliability is lower.

I think it's perfectly legal to rework boards using lead/tin solder if the
boards were originally produced with it and because of that you can still
buy led/tin rosin fluxed solder.


Absolutely correct. You can actually legally rework a lead-free board using
standard leaded solder, if the item was placed on the market before July
2006, although some experts warn specifically against this practice,
claiming that mixing unleaded and leaded solder leads to an even more
potentially unreliable joint, than lead-free alone ...

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