Why do soldering iron need maintenance?

External Heating Soldering Iron tips are hot. Because of this they're subject to exactly the exact same form of oxidisation that could impact the solder. They also suffer from being heated and chilled.

Even though the trick is robust it will need a little bit of upkeep. Before beginning to solder inspect the tip. 100W Soldering Iron China ought to be shiny and clean.  Wipe off any accumulation of carbon, old solder and similar debris on the sponge or brass shavings.