Date: Mon, 27 Jul 1998 14:59:59 -0400
Message-Id: <l03110705b1e23fef37c6@[205.216.99.25]>
In-Reply-To: <FFF3F7BA6450D111BF2C0000BC11406271E397@ROMULUS>
To: baidarka@lists.intelenet.net
From: "Craig O'Donnell" <dadadata@friend.ly.net>
Subject: Re: [baidarka] "Monster" coating for skin boats?
Ah. What cost the quart ket, and how toxic is this stuff?
>described as "extra tough, abrasion resistant" urethane elastomers, and
>they were originally developed for severe applications such as valves
>and seals, wear pads, heavy duty hose coverings etc. There's one
>product called "NF 1500-SP", that is formulated specifically to bond
>with nylon. Here are its stats, compared to Gaco Hypalon:
>
> Strength(psi) Hardness(Shore A) Elongation
>
>Hypalon 700 psi 78 to 83 350%
>
>NF1500-SP 6,000 psi 88 560%
>
>Some pretty impressive statistics. One drawback I see is that the
>urethane products are 2-part, and once you mix the two parts, you gotta
>use all of it, and use it fast.(Sort of like using epoxies, I guess) I
>ordered a quart kit of this material, and applied it to samples of
>4-ounce heatshrink Dacron, and Dyson's 8-ounce nylon.
Craig O'Donnell
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