[TowerTalk] shrink tubing & coax connectors

[Roger (K8RI)]

>
> In a message dated 1/2/2008 1:09:24 P.M. Pacific Standard Time,
> towertalk-request at contesting.com writes:
>
>>  I don't understand the need to use adhesive heat  shrink.  We still have
> to tape/coaxseal or whatever to make the  waterproof the connection.  Why
> are we worrying about the heat  shrink?  Isn't the heat shrink just 
> cosmetic?
>
>
>    Maybe. Regular heatshrink doesn't do very well  outside - it weathers 
> and
> stretches - so what you wind up with is  weatherproofing that isn't
> weatherproof. Some people use it mistakenly  thinking it provides 
> weatherproofing and
> it doesn't.

The 3-M stuff works very well and runs about $10 per length (between 3 and 4 
feet.)

Roger (K8RI)
>
>    If you use one of the current RF-type  heatshrinks, they're quite good.
> The rubber is thicker and  more  resistant to UV plus the glue inside 
> melts and
> really holds it on the  connector. The glue seals it pretty well against
> water incursion. It's really  good stuff and not inexpensive.
>
> Cheers,
> Steve    K7LXC
> TOWER TECH
>
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