High quality electronically solder: great and brilliant welding joint while 90 percent lesser slag and smoke, fits various kinds of soldering iron Lead free and rosin core: sn 99 percent, ag 0.3 Percent, cu 0.7 Percent with flux 2.0 Percent Solder net weight: 100 grams (0.22 Lbs / 3.53 Ounces) Wick diameter: 0.8 Mm (0.0315 Inch); Melting point: 217„ƒ (422.6„‰); Expansion rate 78 percent, elongation rate 58 percent
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