High temperature resistance, lead-free, the Sn99Ag+ alloy improves the soldering and physical properties of this solder wire, the service life of the soldering iron tips is noticeably extended, flux in accordance with DIN EN 29454.1, 1.1.2.B or DIN EN 61190-1-3, ROM1, for hand and machine soldering, Sn 99 Ag 0.3