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Thread: Gasoline-safe fiberglass resin?

  1. #11

    Join Date
    Nov 2018
    Location
    San Rafael, CA
    Posts
    89

    Default Re: Gasoline-safe fiberglass resin?

    I don't know the name of it, but there is a material/paint that is white in color that the boat manufacturers use to coat the inside of the fuel tanks that is impervious to gasoline, race gas and some luck with the methanol fuels (E85) too.

    Call a boat manufacturer and see what they use.

  2. #12
    Senior Member jiott's Avatar
    Join Date
    Jun 2010
    Location
    Portland, OR
    Posts
    2,960

    Default Re: Gasoline-safe fiberglass resin?

    I had a fuel leak on my low fuel sensor chamber where the large plastic sensor fitting screwed in. I took it out, cleaned it up, and coated the threads with our standard Hysol and reinstalled it. It has been leak free in constant contact with fuel for 6 years now. I did the same with a leaking screw thread on a portable fuel tank (not part of my airplane) and it also has been leak free for about 5 years. FWIW
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

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