The referenced 9921 product is a * Semi-conductive coating.
Eddy, What are you having problems with?
Normally corona is an issue when insulators are coated with crud, salt
spray, and the like. This results in tracking.
It is a constant problem along coast lines where salt spray deposits on
Overhead high voltage lines. The power companies have to constantly
blast the insulators with ground up walnut shells.
This keeps the electrical hash from being a problem.
Bob - N0DGN
----- Original Message ----- From: "Eddy Swynar" <deswynar@xplornet.ca>
To: <amps@contesting.com> Sent: Saturday, 24 December, 2011 10:52 AM
Subject: [Amps] Anti-Corona Paint
>> Hi Guys,
>>
>> Does anyone know of a good substitute for the old reddish-brown
>> anti-corona brush-on dope that was sold under the trade name of, I
>> believe, "Glyptul"...?
>>
>> My local jobber has re-located---I'm curious if there might be some kind
>> of common automotive "...reasonable facsimile" that I'm unaware of...?
>>
>> ~73~ de Eddy VE3CUI - VE3XZ
>>
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