56 Easy Silver Paste Solder #56 easy silver paste solder supplied in a syringe of 1/2 troy oz. This solder has a flow point of 1205degrees Fahrenheit (652 Celsius) and a melting point of 1145 degrees Fahrenheit (618 degrees Celsius). This Krohn syringe solder comes pre-mixed with flux. The syringe makes it ideal for fine jewellery repairs such as fine chains. This solder is Cadmium and Indium Free!