this can lead to cold solder joints and bad connections. Professionals use a flux covered wire mesh to clean the tip. This method draws off the solder and uses flux to clean the tip. Every now and ...
The rosin acts as flux for the solder, allowing it to flow onto and attach to the metal. You can certainly use liquid flux/rosin, but it’s usually not easy to find locally. For thickness ...
This spacing is critical for the solder metal to flow into the gap and form a strong joint. Copper is a relatively soft metal. If too much material is removed from the tube end or fitting cup, a loose ...