Cleaning the threads on container of rosin soldering flux

Discussion in 'DIY (Do-It-Yourself) Discussions' started by kwatch, Sep 3, 2017.
  1. kwatch
    I have Radio Shack rosin soldering flux in a 2 oz white plastic container with threaded top. The residue on the threads is drying and it's really hard to open it. I tried 91/% Isopropyl alcohol to clean it but it didn't work. What do I need?

  2. demevalos
    really hot water?

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