wrote:


60/40 is for plumbing.


** You are thinking of " 40/ 60 " solder that is used by plumbers.

60/40 is ( or was) standard electronics solder.



the electronics industry settled on and proved to be the best 63/37 and
for decades it was.
This RoHS **** is the worst thing the world ever did.


** Hate the stuff !!!!

To rework a PCB you HAVE to clean ALL of it off before applying 60/460 or 63/37.


..... Phil