The following machines and tools can be used for soldering Swarovski crystals.
It is recommended that solder wire with a flux core is used, which guarantees an even flow of solder.
Solder paste containing flux must be applied at exactly the right spot to create a clean solder joint.
Solder pellets should be placed in an acid flux before being used. This ensures that the solder will flow correctly.
J-board, express cement.