Most of the sealants contain acetic acid, that smells like vinegar while
curing, and is corrosive to aluminum.
The exception is black RTV made by Permatex, among others.
This has nothing do to with how long the small tube stays usable, it's just
an FYI.
John W8JJW
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Alan NV8A
> Sent: Sunday, October 22, 2006 11:05 PM
> To: towertalk reflector
> Cc: k2mme@juno.com
> Subject: Re: [TowerTalk] silicone sealant
>
> On 10/20/06 10:41 pm k2mme@juno.com wrote:
>
> > I have used various forms of silicon sealants for years and
> it seems
> > they all have the same problem. They seem to be made for
> single uses.
> > By that I mean they harden in the tube. I'm sure the
> manufactures love
> > this. I'm not talking about cartridges but tubes for
> small uses. Is
> > there a specific product that I can use , recap and use again and
> > again in small amounts?
> > Any help would be appreciated.
>
> I have never tried it, but in the electrical dept. of Lowe's
> the other day I saw "CRC" brand sealant in a pressurized can.
> Red in color and especially designed for electrical work, it
> presumably does not give off any corrosive fumes. Not cheap,
> however: $14.xx per can (12oz., perhaps).
>
> Alan NV8A
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