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. Gold solders are plumb. 1 DWT. Flows at 1275 degrees Fahrenheit and melts at 1185 degrees Fahrenheit