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Why does Lead-free solder shorten life time of soldering tips?

April 26, 2017Lead-Free life shorten solder soldering time tips

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Why does Lead-free solder shorten life time of soldering tips?

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• Tin itself is a very active metal. Tin reacts with the iron (Fe) layer of soldering tips and the iron layer is eroded away. The higher the temperature, the faster the erosion speed. With almost all Lead-free solder, the percentage of tin is over 90%. Since there is higher tin content, with higher temperature and presence of more active flux, the erosion of soldering tips occurs faster than regular tin/lead solder.