30 Jul 0.4mm Solder Wire Extra Thin Gauge 0.015 inch Diameter Rosin Flux Core Lead-
> Flux Core: 2.5%. Sn99 Ag0.3 Cu0.7 Allow soldering wire, good electrical conductivity, great solder joints. Great solder for surface mount electronic component. > Alloy Materials: Sn99 Ag0.3 Cu0.7 ( Unlead Solder )....