1.5mm Electronic Solder Wire Lead Free Rosin Flux Core Diameter 0.06in Large …

ROSIN CORE- great solder with rosin core, easy for soldering, the flux 2.5% is better than others with 2.0% on the flowability. Well made with rosin core. Activity solder, good flow, strong solder. ALLOY SOLDER- contained Sn99, Ag0.3 and Cu0.7, make strong solder joint, 0.3% silver is important for electrical conductivity, excellent for soldering.