From: "Bill T." 
To: atm{at}shore.net
Reply-To: "Bill T." 



>Ken Hunter wrote...What wasn't mentioned yet is that the CeO imbeds itself
>into the pitch so that only a small part of it's true size is
>exposed during polishing. It can be used as-is for a very fine grinding
>abrasive also but the posibility of scratches at
>this size grinding is usually considered too great. Unless you have 1-2
>micron filters on your water supply, it's risky!

I recall running across accounts of polishing experiments with heavy,
carbide grits well pressed into pitch, so the barely exposed grit edges act
sort of like the blade in a wood plane. Was I dreaming?  Sounds like it
would beat the heck out of polishing pads, until the inevitable
SCREEEECHH!!!

Bill T.


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