Solder pastes allow for precise application when used in soldering rope chain, hollow shells, findings, earring posts and other intricate jewelry designs. Convenient 10cc dispensing syringes contain a blend of solder powder, flux and binder. Exact amount required can be used eliminating waste and improving the appearance of the joint area. Silver solder is cadmium free. Flows at 1450 degrees Fahrenheit and melts at 1365 degrees Fahrenheit. 1/2 ounce of 75 silver, hard, solder paste.