We used to use them in the CATV industry. Lots of shrink tubes (boots) that
were thick walled, that were about 1.5" OD with goo.. at ambient temp,
consistency of hot melt glue, that melted when the boot was heated with the
torch, that when the boot shrank, using a bernzomatic hand torch, with cooler
yellow flame, oozed, sticky, out of the ends of the shrink, making an
absolutely water proof, submergeable connection. Occasionally we had to open
them up, for a connector redo or whatever. Easily split cleanly from the coax
and connector, using a box cutter knife to score the boot. Probably not cheap
in onesies and twosies, but your local CATV tech probably has 25 of them in his
truck at all times.
Also, there is a brand of heat shrink catering to the Marine Elex market that
is different (lighter, thinner) than the CATV type, that has thin coating of
sealant inside... can't remember the brand, but it is known in the Marine Elec
Supply stores/shops. Definitely a cut above ordinary elex heat shrink from
your local elex parts dealer.
All the Best, 73,
Pat Barthelow aa6eg@hotmail.com
http://www.jamesburgdish.org
Subscribe: http://bambi.net/jamesburg.html
Jamesburg Earth Station Moon Bounce Team
> Date: Mon, 29 Oct 2007 11:08:07 -0500
> From: ersmar@verizon.net
> To: TowerTalk@contesting.com; jammeter@cablespeed.com
> Subject: Re: [TowerTalk] FLooded shrink tubing?? Can you remove it??
>
> John:
>
> Ive never sealed an outside coax connector only with filled HS tubing.
> But let me offer this suggestion: Wrap the connector with electrical tape
> such as Scotch 33 or 88, THEN apply the tubing. At least the goo won't stick
> directly to the connector and you ought to be able to remove all the material
> with little if any trouble should you need to re-enter the connector.
>
>
> 73 de
> Gene Smar AD3F
>
>
> From: John Ammeter <jammeter@cablespeed.com>
> Date: 2007/10/29 Mon AM 10:39:43 CDT
> To: TowerTalk@contesting.com
> Subject: [TowerTalk] FLooded shrink tubing?? Can you remove it??
>
> I saw that Roger, K8RI, used heat shrink tubing with "sticky goo" inside
> for his coax connections. I've got a supply of that from my days at the
> local utility. We used it for PERMANENT underground splices.
>
> Has anyone (Roger??) had experience removing that heat shrink from a
> connection? I'm about to put up a tower with three antennas on it and
> was planning on using "coax-seal" but that heat shrink would be better
> but I've never had to remove it before.
>
> John KE7JGB
>
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