This silver soldering sheet is cadmium free. Flow point: 1360°F. Melting point: 1275°F. Measures: 1" x 4-1/2". Thickness: .012" and it contains 70% percent of silver. Medium soldering sheets are ideal for assembly work. If you are planning on soldering in multiple steps, it is ideal to use the higher temperature solder first, then a medium grade and finally to a soft the lower melting point.