O ring material

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  • anonymous
    • Sep 2025

    #1

    O ring material

    Hi guys, just a small question here, What is the best material for O rings? I am confronted by many materials, BUNA, TEFLON, etc.etc. Just don't know which to use. Thanx in advance. c.j.g.
  • tim morris
    Junior Member
    • Feb 2003
    • 85

    #2
    hi carlos--i just wanted to

    hi carlos--i just wanted to say that if you are buying for a 3.0 inch wtc dr dave may have some, or 3.5 are carried by other vendors, i didnt measure right and bought one batch of 3.5 wtc o rings that were the wrong size so be sure before ordering,,i know your question was about what material, but i though this was a significant note anyway. maybe someone else knows that.

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    • ramius
      Junior Member
      • Mar 2003
      • 44

      #3
      Excellent question!
      At this very moment,I

      Excellent question!
      At this very moment,I am getting a used D and E 3.5 that I bought ready for my boat .
      I was wondering myself where to get the o-rings and what material is best suited for the o-ring?
      What do you guys think,put em in dry,or do you put anything on them?Any other ideas for refreshing a WTC would be appreciated.It may be a good idea to carry a spare set of o-rings in the field box alsoI think
      Wayne

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      • subdude
        Official Peon
        • Feb 2003
        • 682

        #4
        Wayne,
        Buna-n is usually the

        Wayne,
        Buna-n is usually the substance of choice. I like to apply a light coat of silicone grease to them from time to time.

        Happy sailing!

        Jim
        SubCommittee member #0069 (since the dawn of time.....)

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        • ramius
          Junior Member
          • Mar 2003
          • 44

          #5
          Ok,where can I find this

          Ok,where can I find this material? Thanks.

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          • anonymous

            #6
            Ramius, try McMaster Carr, they

            Ramius, try McMaster Carr, they carry everything. Thanx for the info, SubDude, will get Buna-n Cheers, c.j.g.

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            • bigdave
              Junior Member
              • Feb 2003
              • 3596

              #7
              On my seals I like

              On my seals I like to use the Locktite silicone disc brake lube. I have used it for years and can be found at any auto store.
              sigpic"Eat your pudding Mr Land"
              "I ain't sure it's pudden" 20K

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