[NorthMountain]

AlON isn't a plastic, but you might find its optical and mechanical properties interesting.

[SoCal Pubbie]

My primary interest is for display cases and other exhibit related uses. Acrylic is a very good material but it attracts dust and lint like mad due to static electricity and it scratches easily.

[toast]

[GingisK]

I heard an ex-sailor in 1968 tell of transparent aluminum armor. He saw it in use on a warship of the time.