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Re: [ATM] Abrasives

> What size mirrors does this apply to?
> 
> In my grit kits I only supply 320 on the larger ones.
> (If I add 5 Micron I add #320)


All mirror sizes (max I've done is 30 inches).  I use 3 grit sizes for fine
grinding: 220, 500, and 9 micron alum oxide.  

I'm not adverse to .., 320, 25 micron alum oxide but like I say best to
spend a fair amount of time on the 25 micron stuff.

Mel Bartels


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