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Old 19th Jun 2019, 3:03 am   #15
MurphyNut
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Join Date: Apr 2016
Location: Croxley Green, Hertfordshire, UK.
Posts: 979
Default Re: Poor solderability of old components, solutions?

When I find a stubborn area that wont take the solder I use "wet and dry" paper to clean it up, obviously using it dry. I think the problem is the metal becoming heavily oxidized over time thus resisting the solder.
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