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Re: [ATM] Zirconium Oxide was: Re: Salem catalogs - was Re: Fwd: [Fwd: [atm_free] Effect of pH on polishing fused silica was Re. Session 24...]

 From what I know of ZO it is smaller than CEO but also much harder, so 
yes it sounds like it may be faster.

What I do not know is the chemical properties are with it, glass and pitch.

Remember polishing is physical and chemical process.

tom

Guy Brandenburg wrote:
> I have some zirconium oxide, and I like it. I am not sure that it is slower than cerium oxide, in fact, I suspect it's faster. But it does seem to me to be a bit smoother. But it is not as smooth as rouge. Just a few minutes of figuring with rouge, messy as it is, will make a surface much, much smoother than either ZO or cerium oxide, or at least, the varieties I've used.
> Though, to be quite honest, I have not done side-by-side double blinded tests to compare all 3. 
>
> GARY FUCHS <gary@rcn.com> wrote: That Salem catalog sounds interesting. I hope I can understand it! 
>
> Salem lists Zirconium Oxide - on their site - as being 0.6u and the old container I have is hand marked "slow polishing". Has anyone used this? 
>
>
>
>
> Guy Brandenburg, Washington, DC
> My home page on astronomy, mathematics, education:
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