● High quality rosin core welding wire.
● Composition Proportion: Sn 99.3%, Cu 0.7%.
● Soldering wire diameter: 0.5mm/0.8mm/1mm, gross weight: 50g, suitable for pocket.
● Melting point: 217℃~220℃.
● Easy to solder, smooth flow, fasts soldering speed, and strong soldering point.
● Great soldering joint, 90% less slag and smoke, suitable for all kinds of soldering iron.