Making a 50/50 mix of 60/40 Tin Lead Solder and Bismuth
mixed into existing leaded or lead free solder it'll lower the melting point to:
94-98°C on Leaded Solder
100-120°C on Lead Free depending on the Alloy Mix
whereas conventional solder melting points are:
Leaded Solder 60/40 Sn-Pb, which melts at 188°C
Leaded Solder 63/37 Sn-Pb, which melts at 183°C
Leaded Solder 40/60 Sn-Pb, which melts at 234°C
Common Lead Free Solder Sn-Ag-Cu, which melts at 217°C
The low melting point of this solder works really well for desoldering connectors and components from PCBs , it mixes with the existing solder lowering the melting temperature and staying in a molten liquid state a very long time at a much lower heat than conventional solders take to melt...
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