Question

How do you clean the tip of a soldering iron Weller?

Answer 1

If it's a copper tip that's not iron plated, it goes bad because copper > dissolves in solder. > > ... So, you can rub through (or dissolve) the sticky layer, and oxidize the iron layer. Or, you can dissolve a solid copper tip.Oct 1, 2011

sci.electronics.design | Why do solder tips go bad?

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Metal wool effectively removes dirt and other contaminants and avoids issues associated with using a damp sponge to clean soldering tips. Using a wet sponge will reduce the heat of the tip. Frequent wiping with a damp sponge causes repeated changes in temperature, causing the tip to expand and contract repeatedly.