How can you make styrene plastic?

Question

Like those styrene masks. Can someone recommend me on what materials should I get.

Answer 1

Manufacturing Styrene is WELL OUTSIDE the ability of the hobbyist.  It is a mix of petro-chemicals you DON'T want to be playing with !!

THAT said, I've made masks with thin styrene sheet (purchased at good model-hobby store), and vacu-formed over a form/mold.  http://en.wikipedia.org/wiki/Vacuum_form...

http://www.media.mit.edu/physics/pedagog...

GOOD LUCK