[Amps] Correction: How to restore oxidized tank switch

[Carl]

Ive had no problem with Technical Ceramics as used in an RF enviroment in 
over 50 years of washing, they are not the same as a generic unglazed 
ceramic.

Carl
KM1H


----- Original Message ----- 
From: "mikea" <mikea at mikea.ath.cx>
To: <amps at contesting.com>
Sent: Saturday, September 18, 2010 12:22 PM
Subject: Re: [Amps] Correction: How to restore oxidized tank switch


> On Sat, Sep 18, 2010 at 12:12:41PM -0400, Carl wrote:
>> Run it thru the dishwasher with a detergent such as the USA Cascade.
>>
>> Also check your local stores for a liquid silver cleaner.
>>
>> In the USA I use a diluted Tarn-X and Q-tips and then rinse it off well.
>
> The dishwasher is fine for glazed ceramic, but unglazed ceramic will
> absorb water. If it has and your dishwasher uses a heated drying cycle,
> pieces may spall or flake off as the water heats, particularly if the
> drying cycle runs at or above the boiling point. Water in the ceramic
> makes it not so good an insulator, too.
>
> -- 
> Mike Andrews, W5EGO
> mikea at mikea.ath.cx
> Tired old sysadmin
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