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Originally Posted by thesound
I went into the archives section of that NASA site and downloaded the technical support package that explains in more detail about this:
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Thanks. To me, using conventional equipment with India ink presents obvious problems; i.e., throwing the ink off the polishing device.
I wonder if it would work with something like a rotary cup buff used at _very_ low speed, perhaps using a good bit of pressure as a substitute for speed...
This definitely bears further investigation and experimentation. I've tried everything from blue compound to talcum powder to kerosene to get rid of those damn scratches.
The hardness thing still intrigues me. It would explain why chrome doesn't have the scratches.