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Shielding Paint Question


ChrisThompson

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Greetings all, long time lurker, first time poster.

I'm in the process of building up a partsocaster.

After reading this: http://www.muzique.com/lab/magpaint.htm I went and bought a can of "Magnetic Paint".

However, when I tried it on a scrap piece of wood and let it dry, I used my multimeter in continuity mode and got no conductivity along the surface.

Am I wrong to think that shielding paint should conduct electricity?

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Greetings all, long time lurker, first time poster.

I'm in the process of building up a partsocaster.

After reading this: http://www.muzique.com/lab/magpaint.htm I went and bought a can of "Magnetic Paint".

However, when I tried it on a scrap piece of wood and let it dry, I used my multimeter in continuity mode and got no conductivity along the surface.

Am I wrong to think that shielding paint should conduct electricity?

You want paint intended to shield against electric fields, not magnetic fields. Magnetic paint need not be conductive, but it could be. Too bad yours is not. Magnetic paint is not effective at shielding magnetic hum because it is the pickups that are sensitive to magnetic fields, not the wiring, and if you completely shielded them, they would not work.

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