Re: aluminum oxide

[Jon Pike <jhpike@domain.elided>]

> Aluminum oxide is what protects aluminum from corrosion,  because it is 
> > very inert.  As an oxide,
> > it's already "burnt".  If you melt it down under great heat,  it makes a 
> > glassy materiel known as
> > Sapphire...
>  
> Kinda...BUT powdered aluminum oxide is also a major component of solid rocket 
> fuel, such as in the solid rocket boosters used on the shuttle.
>
> Jerry in Houston
Uh, no..  Ammonium Perchlorate is a large part, (perhaps what you were 
thinking of) as the oxidixer, with powdered Aluminum (and or Magnesium?) 
and a rubber like binder making up the fuel..

Jon  (who also is know to launch a High Power model rocket, now and again)
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