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Posted to rec.crafts.metalworking
Glenn Ashmore
 
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Default U.S. tests new ceramic armor made of aluminum oxynitride (clear aluminum)

Probably won't be long. It can be injection molded which should make it
fairly easy to produce lenses. It does cost about $10/sq.in. compared to
maybe $.02 for acrylic.

--
Glenn Ashmore

I'm building a 45' cutter in strip/composite. Watch my progress (or lack
there of) at: http://www.rutuonline.com
Shameless Commercial Division: http://www.spade-anchor-us.com

"Gary Owens" wrote in message
...
If this stuff is so good, why can't I get my glasses made out of it.
gary