This solder is flux free - made for stained glass windows or other applications So easy to work with, no smoke, no stink, melts into a nice puddle.
The solid core solder wire is a good stained glass supplies solder,Great for the stained glass hobbyist
60/40 Solder for stained glass and For Use on Copper Foil Seams 、 Lead Seams .This is flux free solder suited for work on some jewelry items, art projects and stained glass. The low melting point made it easy to work .