Glass artists need a very specific mix of alloys in their solder to get a smooth and clean bead on their work. Lead-free solder is ideal for projects that will be handled frequently or worn, or in workshops and classrooms that need to stay lead free. Sold in a convenient 1/2 lb. spool. This is a Lead free alloy for a very strong soldered joint. 

 

This is a 1/8 diameter solid wire which melts at 430 ºF and contains 96.5% Sn and 3.5% Ag