Harris 60R51 60/40 Rosin Core, 3/32 x 1 lb. Spool Description
60/40 tin-lead rosin core solder contains a 3% rosin core. This solder is preferred for soldering electrical and electronic connections. Tin-lead solders are not recommended in high stress or vibration joints in the cooling industry due to lack of sufficient elongation properties. *Lead bearing solders are not to be used in potable water systems.