Yeah. That was probably my brain aneurysm acting up. Probably conflated
WD40 and DC4...
--
bp
part15sbs{at}gmail{dot}com
On Sun, Feb 10, 2019 at 12:30 PM Ken Hohhof <[email protected]> wrote:
> I think you mean DC4 which is dielectric grease. The chemical composition
> is probably similar to DC111 but it isn’t as stiff. DC111 is basically a
> food grade lubricant for rubber valve rings. I suspect that plumbers
> grease that you buy at a hardware store is similar stuff. DC111 probably
> has silica added to make it thicker.
>
>
>
> If you like the single use packets instead of 5 oz tubes, I think these
> are probably the same thing:
>
>
>
>
> https://pilotshq.com/dow-corning-molykote-111-oringvalve-lubricant-6gm-dc111-6gm-p-18024.html
>
>
>
>
>
>
>
> *From:* AF <[email protected]> *On Behalf Of *Bill Prince
> *Sent:* Sunday, February 10, 2019 12:39 PM
> *To:* AnimalFarm Microwave Users Group <[email protected]>
> *Subject:* Re: [AFMUG] Lube for Backhaul O-rings?
>
>
>
> I always used DC-40. I bought it at the airplane shop.
>
>
> --
>
> bp
>
> part15sbs{at}gmail{dot}com
>
>
>
>
>
> On Sun, Feb 10, 2019 at 10:12 AM Jeremy <[email protected]> wrote:
>
> Do you lube the O rings on your licensed antennas? I have seen some where
> they didn't and the O ring cracks apart, potentially causing water
> ingress.
>
>
>
> Most of the big names include a small pack with the radio or dish. I am
> struggling to find the exact product. I have heard people say that you can
> just use Vaseline, but the Internet says the petroleum will eat the rubber
> o ring within about a year. I see dielectric grease also being reported as
> being used, but it will supposedly also melt the rubber.
>
>
>
> Most are recommending Silicone Grease. The only silicone grease that I
> can find locally is "100% pure Silicone Grease" that is "Spark Plug Boot
> Grease". I figure that spark plugs boots are also rubber so this is
> probably the stuff, but it is also listed as being dielectric, and it
> contains polydimethylsiloxane.... whatever that is.
>
>
>
> Does anyone have any recommendations for what I should use to lube the
> O-Rings on my licensed backhauls when they do not include a tube of
> whatever they usually include?? Anyone have any stories about things that
> did not work out?
>
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