<html><head></head><body><p dir="ltr">MG Chemicals have a variety of epoxy potting and encapsulation compounds, and I think one of them is specifically marketed as being flexible, which might be exactly what you're looking for. Check their website.</p>
<p dir="ltr">Sean<br>
</p>
<br><br><div class="gmail_quote">On May 16, 2017 7:01:13 PM MDT, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1494981372247_3936"><span id="yui_3_16_0_ym19_1_1494981372247_4036">Hank,</span></div><div id="yui_3_16_0_ym19_1_1494981372247_4015"><span id="yui_3_16_0_ym19_1_1494981372247_4014">Juries not out on how I want to do that.</span></div><div id="yui_3_16_0_ym19_1_1494981372247_4001" dir="ltr"><span id="yui_3_16_0_ym19_1_1494981372247_4000">I don't think I'll have the glue on the conductor, I will just embed the conductor & insulation</span></div><div id="yui_3_16_0_ym19_1_1494981372247_4069" dir="ltr"><span id="yui_3_16_0_ym19_1_1494981372247_4068">& a portion of the cable sheath in the epoxy & then go over the aluminum fitting & cable</span></div><div id="yui_3_16_0_ym19_1_1494981372247_4084" dir="ltr"><span id="yui_3_16_0_ym19_1_1494981372247_4085">with the glue & then encapsulate it all in
polyurethane potting mix.</span></div><div id="yui_3_16_0_ym19_1_1494981372247_4086" dir="ltr"><span>Alan</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1494981372247_3916"><br /><br /></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1494981372247_3910" style="display: block;"> <div id="yui_3_16_0_ym19_1_1494981372247_3909" style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_ym19_1_1494981372247_3908" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_ym19_1_1494981372247_3907" dir="ltr"> <font id="yui_3_16_0_ym19_1_1494981372247_3911" face="Arial" size="2"> </font><hr size="1" id="yui_3_16_0_ym19_1_1494981372247_4043" /><font id="yui_3_16_0_ym19_1_1494981372247_3911" face="Arial" size="2"> <b id="yui_3_16_0_ym19_1_1494981372247_4029"><span id="yui_3_16_0_ym19_1_1494981372247_4028" style="font-weight:
bold;">From:</span></b> hank pronk via Personal_Submersibles <personal_submersibles@psubs.org><br /> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br /> <b><span style="font-weight: bold;">Sent:</span></b> Wednesday, May 17, 2017 12:37 PM<br /> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Penetrator materials<br /> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1494981372247_3999"><br /><div id="yiv2970848402"><div id="yui_3_16_0_ym19_1_1494981372247_3998"><div id="yui_3_16_0_ym19_1_1494981372247_3997" style="color: rgb(0, 0, 0); font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);"><div id="yui_3_16_0_ym19_1_1494981372247_3996"><span>Alan,</span></div><div dir="ltr"><span>Your idea to use a silicone or similar to back up the epoxy is a good idea. My epoxy multi
wire connector will let teeny tiny air bubbles through when I exceed 1,000 psi. You will have to strip the wire back far enough for the silicone to stick to the conductor.</span></div><div dir="ltr"><span>Hank</span></div> <div class="yiv2970848402qtdSeparateBR"><br clear="none" /><br clear="none" /></div><div class="yiv2970848402yahoo_quoted" id="yui_3_16_0_ym19_1_1494981372247_4101" style="display: block;"> <div id="yui_3_16_0_ym19_1_1494981372247_4100" style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;"> <div id="yui_3_16_0_ym19_1_1494981372247_4099" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div class="yiv2970848402yqt2630631240" id="yiv2970848402yqtfd64492"><div dir="ltr"><font face="Arial" size="2"> On Tuesday, May 16, 2017 6:18 PM, Stephen Fordyce via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none" /></font></div>
<br clear="none" /><br clear="none" /> <div class="yiv2970848402y_msg_container"><div id="yiv2970848402"><div><div dir="ltr"><div>Hi Alan,</div><div>I'd be interested to see what you come up with on cable. My research indicated a polyurethane outer sheath was the way to go (and it's held up extremely well to the punishment my caving lights have seen) but that's also really expensive and hard to get. I previously used PVC and it held up well enough, slightly different application though.</div><div><br clear="none" /></div><div>The China stuff - yep there's a lot of good stuff, but also a lot of bad stuff. Your experience is pretty bad though, usually they are a lot better than that.</div><div><br clear="none" /></div><div>Cheers,</div><div>Steve</div></div><div class="yiv2970848402gmail_extra"><br clear="none" /><div class="yiv2970848402gmail_quote">On Wed, May 17, 2017 at 10:03 AM, Alan via Personal_Submersibles <span dir="ltr"><<a
href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none" /><blockquote class="yiv2970848402gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div class="yiv2970848402yqt3924437611" id="yiv2970848402yqt90726"><div><div>Thanks Steve,</div><div>I found some in a local sports shop. I'll see how it likes the</div><div>marine environment!</div><div> Have changed tack a bit as I thought I should be nailing down</div><div>exactly what cable I'm going to use so I know what material I am</div><div>gluing to. G.L. wants self extinguishing sheathing / insulation</div><div>& halogen free. Also can't be hydroscopic. </div><div> Got my pressure sensors back from China (again) they now have</div><div>the right
fitting but still a sloppy fit. They sent them out with an </div><div>over-sized o-ring that wouldn't fit, even though I supplied them a </div><div>first stage regulator for testing. I am thinking that your original</div><div>suggestion of an adapter would have been a better way to go!</div><span></span><div>Alan </div><div><br clear="none" /><br clear="none" /><div>Sent from my iPad</div></div><div><div class="yiv2970848402h5"><div><br clear="none" />On 17/05/2017, at 10:54 AM, Stephen Fordyce via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:<br clear="none" /><br clear="none" /></div><blockquote type="cite"><div><div>Hi Alan,<div>Try searching for Shoe Goo - I gather it's the same stuff. I've got some off ebay in Australia and used with good success on wetsuit gloves for caving. Liquid Electrical
Engineering Tape is also good if you brush it on in thin layers.</div><div><br clear="none" /></div><div>Cheers,</div><div>Steve</div></div><div class="yiv2970848402gmail_extra"><br clear="none" /><div class="yiv2970848402gmail_quote">On 17 May 2017 6:50 am, "Alan via Personal_Submersibles" <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:<br clear="none" /><blockquote class="yiv2970848402gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div><div>Hank,</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">thanks, I feel I am getting somewhere.</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">I can't find Goop in N.Z. but have been looking at other marine
products.</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">You are right about the silicone not being ideal. 90 % of the marine adhesives</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">I looked at are polyurethane based products. Although the outer moulded</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">section will be polyurethane, sometimes mouldable products lose a bit of their</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">adhesion with their "bulking" additives.</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">Keith Gordon gave me a link to a product he has used for splicing underwater</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">cables. You squirt the glue in to heat shrink tubing that is around the cables, then</div><div
id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">heat the ends of the heat shrink tubing to close it. </div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">I will do a bit more research on that today.</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature">Alan</div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152AppleMailSignature"><br clear="none" /><br clear="none" />Sent from my iPad</div><div><br clear="none" />On 17/05/2017, at 12:11 AM, hank pronk via Personal_Submersibles ed <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.o rg</a>> wrote:<br clear="none" /><br clear="none" /></div><blockquote type="cite"><div><div style="color: rgb(0, 0, 0); font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;
background-color: rgb(255, 255, 255);"><div id="yiv2970848402m_3428767445506268501m_2230286020328245152yui_3_16_0_1_1494936411365_5279"><span>Alan,</span></div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152yui_3_16_0_1_1494936411365_5279" dir="ltr"><span id="yiv2970848402m_3428767445506268501m_2230286020328245152yui_3_16_0_1_1494936411365_5367">Got it, there is a way better option than silicone for that. The product is call Goop or shoe goo. This stuff is amazing, it sticks much better than silicone and is super tough. I patch my waders with it, and you can not peel it off, no way no how.</span></div><div id="yiv2970848402m_3428767445506268501m_2230286020328245152yui_3_16_0_1_1494936411365_5279" dir="ltr"><span>Hank</span></div> <div
clas="clas"></div></div></div></blockquote></div></blockquote></div></div></div></blockquote></div></div></div></div></blockquote></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></blockquote></div></body></html>