Re: [ATM] Black Rouge

["Norm Prince" <norman.prince@verizon.net>]

So what exactly is Black Rouge made of???...is still just iron oxide (and if 
so what about the process of creating it makes it black?)...or iron oxide+ 
(rust from some iron alloy)?
-norm-

----- Original Message ----- 
From: "lance clarke" <alaskawolfjoe@hotmail.com>
To: <atm@atmlist.net>
Sent: Friday, June 15, 2007 22:24 PM
Subject: [ATM] Black Rouge


> Quite a while ago I asked for input/advice regarding black rouge.  A 
> couple
> of weeks ago I finally got to the point where I was ready and brave enough
> to use it, so I thought I'd pass along my experience.
> I used black rouge purchased from GotGrit (no connection, except that I'm 
> a
> customer).  Yes, it is potentially very messy, as is red rouge, but there 
> is
> no need to wear gloves when you use it.  It washes off skin (and glass)
> quite readily with dish detergent and lots of water.  However, don't get 
> it
> on your clothes, or anything you don't have to, because it would be
> difficult or impossible to get out of many fibers.
> All in all, I love it. We all know that when figuring, you want to polish
> slowly with no jerkiness.  I found that with the "black" I almost had no
> choice...it was automatically smooth and slow.  The speed of glass removal
> was slower than red rouge, but not "glacial" by any means.  A 5-10 minute
> session had definite results, but things do work slow enough that there is
> enough averaging to make a nice smooth surface, with little worry about
> overshooting things.
> I will probably use it to finish all future optics.
>
> Lance
> Toronto
>
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