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Composition
Tin (Sn): 60%
Lead (Pb): 40%
Flux content in core: 1–3%
Flux Composition
Rosin: 90%
Activator: 10%
Activation agent: 3%
Temperature Points
Boiling point: 600°C (solder), 124°C (flux)
Melting point: 183–191°C (solder)
Physical Properties
Specific gravity: 8.53 (water = 1 at 25°C)
Weight: 500g
Diameter (ϕ): 1.2mm