How To Make Solder Tips Last Longer
Once the whole tip is clean and shiny immediately add solder to it and it will flow smoothly around the whole tip.
How to make solder tips last longer. Use a sticky basecoat to make the polish last longer. Use a small pair of pliers to help you get it tight. I use a small Chisel Tip most of the time.
As for your desoldering your going to have also replace the tips more. Nail tips are more prone to chipping see. Use a hairdryer to warm to soldered joint.
This prevented the copper from dissolving into the solder giving the tip a much longer and predictable operational life. Note that the wire will get hot so you should consider holding it with some tweezers or similar. Do not hold the hairdryer still in an attempt to soften the solder.
In order for the solder to flow the metal must be clean all of it including the solder and the fluxThe reason for this is that dirt grease oxides etc. Will create a barrier between the metal and the solderThink of the dirty surface like plastic wrap over your ham sandwich your potential solder join. The next best might be a temperature controlled soldering iron that.
To use your SI. If your still getting good heat distribution and the solder is meltingcooling properly than you can keep using the current tip. If you want to join two wires with solder the first thing you should do is to tin the two wires.
But always try to clean the tip with steel wool and add fresh solder. Make sure that the join youre soldering is completely flush. Use sponge soaked in water to wipe the tip clean regularly.