31 Mar
2002
31 Mar
'02
3:48 p.m.
Chad Fernandez wrote:
How much lead does solder dor electronics contain? I thought only
solder for pipes contained lead?
The newer solders for solding pipe are supposed to be lead free, but I
don't recall the metal(s) that are being substituted. Electronics solder
is typically 60/40 or preferable 63/37. The first number is the
percentage of tin and the second number is the percentage of lead. 63/37
is the preferrable solder to use because it is eutectic, basically no
temperature range between liquid and solid.