Electronic solder according to DIN EN 29453, with activated resin flux, non-corrosive on non-ferrous metals, fast flowing, flux according to DIN EN 29454-1 .1.2B2.5% (wt. %2.5±0.5) S-Sn60Pb38Cu2, on disposable spools. Wire diameter 1.0 mm, weight: 100 g.