Re: Faraday cage with Paint

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Original poster: Ed Phillips <evp@xxxxxxxxxxx>

Christopher:

Don't know anything about the particular paint you have found.  Have
used Electrodag 550 from Acheson Colloids Co, Port Huron, Mich. for
electrodes in plasma globes and coating capacitor plates.  Know that
this product(Electrodag) is used to coat the inside of cabinets as
faraday cage for HV equipment.  Also seen nickel plating(.0002" to
.0005" thick) inside plastic cabinets and crt housings used as faraday
cage as well.  Thus, concept may not be as crazy as it first appears.

Mark"

   There's a big difference between use of a moderately conductive 
material like aquadag for electrostatic shielding and use as RF 
shielding.  Nickel plating the inside of the room would help, but I'd 
bet that use of the paint originally suggested would produce results 
too small to measure.  Chicken wire would be far better and cheaper, 
even if it's kind of a nuisance to install.  Standard practice in 
high-quality "shielded rooms" is two use two separated layers of very 
fine mesh bronze screen wire, with great attention to low-resistance 
door seals.

Ed