Question: What adhesive metal should you use when soldering glass?
Option 0: Solder won't stick to glass by itself--you need another metal on the surface to hold it in. Adhesive copper foil will wrap around the edge of the glass you want to solder.
Option 1: Solder won't stick to glass by itself--you need another metal on the surface to hold it in. Adhesive rubber foil will wrap around the edge of the glass you want to solder.
Answer: 0