[TowerTalk] Sealing coax connectors

[Bob K6UJ]

Perry,
OK, great.  It is perfect then for applying first before the tape wrap and be able to take the connector apart later if need be.

thanks perry


Bob
K6UJ




On Jan 17, 2012, at 9:59 AM, Perry wrote:

> I think DC4/5 is Silicon grease, not sealant. It is used to improve dielectric performance and as a moisture block and also stops corrosion.  
> 
> 73 de Perry - K4PWO
> 
> Sent on the Sprint® Now Network from my BlackBerry®
> 
> -----Original Message-----
> From: Bob K6UJ <k6uj at pacbell.net>
> Sender: towertalk-bounces at contesting.com
> Date: Tue, 17 Jan 2012 08:13:35 
> To: \[TowerTalk\]<towertalk at contesting.com>
> Cc: Jim Thomson<jim.thom at telus.net>
> Subject: [TowerTalk] Sealing coax connectors
> 
> Jim,
> 
> (I took the liberty of using a new subject for my response to this item in your posting in the "PL259 insertion loss" thread.)  
> 
>> ##  and don't forget to use dow corning dc-4/5 on all the connectors, including threads, pins, and center females.  The 7-16 is clearly
>> the connector of choice for the bigger coax cables  [ it's ur only real choice].   For the smaller cables, like 213-U, and LMR-400, the
>> UHF QUALITY silver/teflon connectors are plenty good enough.  Type N for any size cable is a pita.  Odd ball connectors like C...and also
>> LC connector's are going out of vogue. 
>> 
>> Later... Jim  VE7RF
> 
> 
> Jim,
> 
> I havent used a silicone sealant in my connectors before but the Dow Corning silicone sounds like a good plan.  For outside connectors I wrap
> with Scotch 2228 self sealing  tape, then wrap with scotch 88 tape, then finally brush on Scotch Coat.  This has worked well for outside connectors,
> taking the connectors apart later on they are always nice and shiny.  I will try the Dow Corning silicone before the tape treatment.
>  One question though, can the connector be taken apart, cleaned up and reused after using the silicone ?  I normally wouldn't reuse the connectors 
> but if they were new connectors it would be nice to be able to tie into the connector again, for instance adding on a longer section of coax.
> (I'm talking about the threaded connection, not taking them apart and resoldering)
> 
> Bob
> K6UJ
> 
> 
> 
> 
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