Re: Zinc dust?

[cussata@juno.com (Courtney L Coulson)]

Poster: cussata@juno.com (Courtney L Coulson)

Aldrich carries it.
1-800-558-9160
aldrich@sial.com

Product #20998-8 Zinc Dust, it's rated as <10microns
100gm @ $21.45
1 Kg @ $38.70

If you don't need it to be that fine, they also have granules at three
different mesh sizes that are less expensive.

You need to be a member of a business or organization to order from
Aldrich.  So you will need your local seneschal and/or exchequer to help
you order it with your local branch of the SCA as the organization you
are ordering it for.  If you explain to the company exactly what you are
using it for, they should not have a problem with it.  

Zinc is listed under the EPA's Toxic Substances Control Act  (TSCA),
which means that it is approved for use in manufacturing.  It is not
listed as restricted or particularly dangerous, however because it's a
powder there is some risk of a dust explosion and zinc will spontaneously
combust under the right conditions, so ask them for handling
instructions.

Let me know if you have difficulties, I might have another possibility.

Good Luck,

Cussata

On Sun, 12 Jul 1998 13:17:47 -0400 Betty & David Eyer
<Betty_and_David@compuserve.com> writes:
>
>Poster: Betty & David Eyer <Betty_and_David@compuserve.com>
>
>I am looking for the ingredients to do a Japanese "Zinc" Indigo Vat.  
>This
>requires about 4 OZ of zinc dust.  I have called several chemical 
>suppliers
>and art supply stores and got a very cold shoulder before I even told 
>them
>what I wanted.  Zinc takes some carefull handling, but it is no worse 
>than
>lots of things that you can buy in the hardware store (sevin dust 
>springs
>to mind), so I don't think you need to alert the EPA to my project.  
>Seems
>to me that you could buy zinc lozenges for a sore throat a few years 
>back
>and they put zinc oxide on for sunburn, so how bad can it be?  
>However,
>most chemical companies only sell to businesses with a license to 
>store
>chemicals or to school labs now days, probably for fear of law suits 
>over
>bombs and the like.  The art supplies had no idea what I was talking 
>about
>and were very concerned I was going to kill dolphins with my craft 
>project.
> 
>
>If anyone has any clues about how I can find this stuff without going 
>to
>jail or killing all the local wildlife, please let me know, since I am
>really interested in doing this kind of indigo vat.  This would allow 
>me to
>try some Japanese style tie dye and is very good for batik.  
>
>A frustrated and politically incorrect Magdalena begs your patience in
>hearing her request.
>
>Magdalena de Hazebrouck
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