Correct Silver solder

greenboxmaven
 

I am beginning restoration on a 555 I got a few months ago. What is the correct alloy of solder for the ceramic tie strips? I have found both tin/lead/silver and lead-free, both with 2% silver content . Are these satisfactory? Is 2% silver enough, or is a richer alloy needed? Thanks, Bruce, KA2IVY

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