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I think gargraves track is some type of electroplating since the center rail carries the current.  I painted my tracks with Rustoleum's camouflage brown and wiped the tops clean before the paint cured with mineral spirits. Your friend can do the same with his tubular track. If he wants only the center rail colored black,  then he'll need to remove the rail and paint it separately then replace it on the ties, making sure he insulates it. Or do a lot of masking of the outside rails and ties.

@AGHRMatt posted:

There's a product sold by Micromark called NeoLube. That's a graphite-based coloring agent (very thin so be careful) that's conductive. People have been using it to darken driver tires for years. For all I know, that may be the same ingredients used in gun bluing.

Are there any issues with shorting out the center rail if you saturate/coat the insulation holding the rail in place?

And I believe gun bluing uses a dilute solution of nitric acid to create a chemically bonded protective 'blue' layer on steel -- if NeoLube uses graphite, I suspect it's a wholly different process. I've never used either, so take my comments as a pure SWAG . . .

@Steve Tyler posted:

Are there any issues with shorting out the center rail if you saturate/coat the insulation holding the rail in place?

And I believe gun bluing uses a dilute solution of nitric acid to create a chemically bonded protective 'blue' layer on steel -- if NeoLube uses graphite, I suspect it's a wholly different process. I've never used either, so take my comments as a pure SWAG . . .

Because it's conductive I could definitely see a potential problem if one got sloppy with Neolube.

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
330-757-3020

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