From: Jeff Foster (jfoster@uclink.berkeley.edu)
Date: 07/10/02-12:20:09 PM Z
Thanks to everyone wo provided suggestions.
I think I'll try and get some Carborundum ( I work at a university...)
and give making my own a try. acid is out.
buying one might be ok, but the prices are all over the place, (2 for $30 up
to
$90).
again thanks ,
JEff
----- Original Message -----
From: "Monnoyer Philippe" <monnoyer@imec.be>
To: <alt-photo-process-l@skyway.usask.ca>
Sent: Wednesday, July 10, 2002 1:32 AM
Subject: RE: DIY ground glass
> Dear Jeff,
>
> As Bob, I use carborundum. Carborundum is a fine powder of tungsten
carbide small particles.
> Is there a university with a geology department nearby ? Just go and ask
them. They often use carborundum polishing samples for microscopy.
> The way it works is exactly what Bob explains. The result is very very
fine and nice, with no corrosive chemicals.
>
> Philippe Monnoyer
> Belgium
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