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Thread: n-Propyl Acohol Safe?




  1. #1
    Join Date
    Dec 2003
    Posts
    21

    Default

    I recently cleaned some thermal paste of off my northbridge in order to add a new cooler. I was disapointed that I could not remove all of the old paste so I wondered if I could get an alcohol of a higher percentage than the 70% Isopropyl alcohol that I was using. Today I asked my chemistry teacher if he knew where I could get a higher concentration alcohol and he said that I would probably have to ask a pharmacist. I said I didn't really want to and after explaining that I needed it for computer stuff he said he might have something for me. And viola he hands me n-Propyl alcohol that he says is 98-99% alcohol.
    Anyhoo I was wondering if anyone knew if this alcohol would be usable and safe for my components. Any input would be greatly appreciated.

    >Zack

  2. #2
    Join Date
    Jun 2003
    Location
    Sunderland, England
    Posts
    529

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    it should be safe to use it. try not to get it all over the PCB though, just in case.
    <img src="http://gfx.statgfx.com/old/folding.cgi?&username=metallicat666&teamid=33272&t rans=yes&.jpg" alt="www.Statgfx.com" />

  3. #3
    Join Date
    Jun 2004
    Location
    Northern Canada
    Posts
    10

    Default

    high concentration is perfectly fine. It will evaporate the same was as lower concentration and leave no residue. You probably will get a better clean too.

    Easiest way to remove those pastes I've found is apply a thin layer of Isopropyl, and let it sit on the paste for like 2 - 3 mins, then use a qtip and wipe it off. Usually will come off very cleanly in a big pile.

    Then use a qtip to clean once more and it should be sparkling clean.

    :D

  4. #4
    Join Date
    Aug 2002
    Location
    Ohio, USA
    Posts
    1,296

    Default

    I use a product called "Goo Gone", which removes the stuff instantly, then a pass with alcohol.

  5. #5
    Join Date
    Jun 2004
    Location
    Northern Canada
    Posts
    10

    Default

    yeah goo gone rules.

    Or orange off.

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