[GreenKeys] Teletype Oil (Ad Nauseum)

[Steve Schlink]

FWIW, I'll go with what the O-ring manufactures say about compatibility.

Rubber is a non-specific generic (meaningless) term. All black O-rings are 
not the same. O-rings are specified by the elastomer chemistry.
So, unless you know the specific type of material, e.g. buna-n, nitrile, 
EP, etc. you really don't know what is compatible.

If this topic was ad nauseum before, what is it now?

I'm done, believe whatever you want.

At 01:54 PM 8/18/2011 +0300, Sheldon Daitch wrote:


>We use considerable amounts of silicone grease on rubber O-rings for glass 
>tube
>fittings on the vapor phase cooling systems in our transmitters, as well 
>as the
>O-rings in transmission line connectors and wave guide connectors and never
>any problems that we are aware of, where the silicone grease attacks the 
>rubber.
>
>I'd say that every Andrew coaxial connector with rubber O-rings and gaskets
>contains a small tube or two of silicone grease.
>
>73
>Sheldon
>WA4MZZ
>
>>I have to disagree about silicone not attacking rubber. Take a look at the
>>O-ring manufacturer's sites and you will see that several synthetic
>>"rubber" compounds are attacked by "silicones". The other concern about
>>using silicone around electronics is that one of its properties is a very
>>high dielectric strength. Given its propensity to creep, that could be a
>>problem on the various contacts.
>>
>>