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I have some bright aluminum that is de dusted, coated with sterine. It
appears greasy, it is non dust forming. It is in an old skylighter or
Iowa pyro box. So, at one point someone saw pyro with this stuff but
what? 70-30, silver stars, etc.
Is there a way to remove the sterine? Is this stuff useful?
Comets were pumped a while back and they fell apart.
Any comments from someone who knows about this would be great.
That does sound like 808 aluminum and it's good stuff actually. I've
never had any reason to remove the stearin, but you do need to use
enough binder. There's an excellent formula in The Wiz's Formulary
attributed to Dave Mayotte that I use a lot for cores in color-changing
stars. I don't remember what Don called it in the book but Dave named
it "White Electric". It uses 11% dextrin, and 808 bright aluminum along
with coarse aluminum flitters. The stuff is gummy due to the aluminum
and all the dextrin, but actually rolls pretty easily. I normally pump
a bunch of 1/4 inch stars in a star plate then bounce and roll them in
the star roller until they're round. I keep a bunch on hand so I
haven't made any in some time now. Mike Beyer had a similar Italian
formula that used what seemed an excessive amount of wheat paste for the
binder. Of course he was making cut stars, not round stars.
Here's the Dave Mayotte White Electric formula:
54 Potassium Chlorate ***
6 Red Gum
10 Aluminum Coarse Flitters (approx. 14-30 Mesh, not critical)
11 Dextrin (yeah it seems like a lot, but you need it)
19 Aluminum 808 (or other bright aluminum)
*** I'm nearly certain I've made this with chlorate in the past. When I
just looked up the formula in my organizer though, I have it down as
using perchlorate? I may have goofed when I transferred the formula.
If someone has the Wiz Formulary maybe they'd be good enough to confirm
which oxidizer the original formula calls for?
Yes you WILL look like the Tin Man after rolling this comp.
You'll also need to use a good prime if you try to make this the outer
layer of your round stars. As a core or inner layer though, pretty much
any color you roll over it will light them just fine.