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View Full Version : Composition of wiping solder


Alstep
12-28-2014, 09:55 PM
I have an ingot of solder marked as follows:

"Bell System E Wiping Solder"

Anybody know the composition?
jmort
12-28-2014, 09:57 PM
I have two such ingots and based on my research, 38% SN and 62% PB
Alstep
12-28-2014, 10:29 PM
Thank you Mr. jmortimer.
bruce381
12-29-2014, 10:06 PM
I have two such ingots and based on my research, 38% SN and 62% PB

thats correct I just has some tested at work was 38% tin balance lead with NO arsenic showing.