"Arfa Daily" wrote in message
...
A number of independant metalurgical experts are of the opinion that by
mixing the two solders, the long term integrity of the joint will be
compromised.

Who are these experts and where are the links to the info on this? I would
be curious what testing they have done and on what formulations. The
vendors that have been willing to comment to me off the record say that
there is no problem and that they are just political CYAing when they say to
use lead free to repair lead free boards.

Leonard

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