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How to clean oxidized USB plug?

Discussion in 'Power Electronics' started by NVZN, Jun 16, 2020.

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  1. NVZN

    NVZN

    12
    0
    Dec 17, 2016
    How to clean it? I tried to use alcohol 70%, no avail. Only cleans a bit.

    Using vinegar? Or?

    IMG-20200616-174011.jpg
     
    Last edited by a moderator: Jun 17, 2020
  2. dave9

    dave9

    899
    229
    Mar 5, 2017
    How did it happen? Prevention seems important.

    A mildly abrasive metal polish should do the trick, for example brasso (but I would try toothpaste first if you have no metal polish), but that is just a ground (and not strictly needed for USB function since there is another pin 4 ground on the contacts), so if it won't work you probably have a different problem.
     
  3. bertus

    bertus Moderator

    683
    237
    Nov 8, 2019
    Martaine2005 likes this.
  4. NVZN

    NVZN

    12
    0
    Dec 17, 2016
    I left this sitting on a shelf for 6 months. And they got oxidized like that..
    Toothpaste? Just apply it to oxidized area? Leave it or brush it with toothbrush?
     
  5. Harald Kapp

    Harald Kapp Moderator Moderator

    10,025
    2,138
    Nov 17, 2011
    Brush.
    Toothpaste contains micro abrasive particles to clean teeth, works equally well with many other surfaces.
     
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