it's a misnomer based in fact.
New 'Silver-bearing leadfree' includes about 3% silver in a tin alloy. Provides a better and higher quality joint.
It isnt the same as silver solder. which is also somewhat misleading.
Rosin core for electronics IS the right stuff

 

Yeah, I call it silver solder just out of habit.

 

ok you had me worried there for a while..LOL I had some don't know where it got off to will have to get another tube of it.
Solid is better and I have a silver belt buckle that needs repair too so I will get both.