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Re: [bolger] Re: Sneakeasy "Katie" report

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  • Harry James
    A recent boatbuilder magazine had an article on a experiment by a boatbuilding amateur. He found 1 layer of Xynole to be 6 times as abrasion resistant as 1
    Message 1 of 9 , Sep 3, 2003
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      A recent boatbuilder magazine had an article on a experiment by a
      boatbuilding amateur. He found 1 layer of Xynole to be 6 times as
      abrasion resistant as 1 layer of 6 oz fiberglas. Because of the extra
      bulk of the xynole, it was only 2 times as resistant by thickness.

      HJ

      Roger Derby wrote:

      >I wish I had more details to give. As far as the mix goes, one just plays
      >around on test pieces until it feels right. (I suspect that the carbide
      >powder is non-thixatropic so one would add that stuff (colloidal silica)
      >first and then stir in the carbide.
      >
      >The Aussie had a local source which isn't worth much to us in the Northern
      >hemisphere. I searched for the stuff on the net and since I wanted a few
      >pounds, not several hopper cars full, didn't have any luck.
      >
      >Following a suggestion in MAIB from several years ago, I did experiment with
      >lime (from the garden shop) as a filler. Not bullet-proof like the carbide
      >would be, but it did give a hard surface and it was cheap. I used it on a
      >bulkhead which formed part of the anchor storage bin and could be expected
      >to get a lot of abuse. As above, I used colloidal silica first and then
      >added the lime.
      >
      >Roger
      >derbyrm@...
      >http://derbyrm.mystarband.net
      >
      >----- Original Message -----
      >From: "Paul" <bys@...>
      >
      >
      >
      >
    • philippe peltier
      You should try to do the first layer of underwater paint with pitch epoxy.. Works great...see : HYPERLINK
      Message 2 of 9 , Sep 4, 2003
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        You should try to do the first layer of underwater paint with pitch
        epoxy.. Works great...see :
        HYPERLINK
        "http://www.surtech2000.co.uk/Wall%20Product%20Pages/pitchepoxy.html"htt
        p://www.surtech2000.co.uk/Wall%20Product%20Pages/pitchepoxy.html
        You may use any underwater paint over it..

        --
        Phil.

        -----Message d'origine-----
        De : Mark A. [mailto:marka@...]
        Envoyé : Thursday, September 04, 2003 3:55 AM
        À : bolger@yahoogroups.com
        Objet : [bolger] Re: Sneakeasy "Katie" report


        Others that are commonly used on the Northwest river running boats
        include mixed in
        graphite powder, or an overlay of UHMW.


        Mark

        chodges31711 wrote:
        > There are many other types of hard
        > minerals that could be put in epoxy and would give good wear
        > resistance. Maybe even granite fines from a stone cutters saw or
        > monument carver.


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