[Shop-talk] Source of special plexiglass

[Randall]

My _guess_ is that it's polycarbonate (aka Lexan) rather than Plexiglas (aka acrylic).  They are similar, but Plexiglas is more
brittle and easier to break.  Bare Lexan scratches easier, but they offer it with various hard coatings, eg 
http://www.mcmaster.com/?m=true#8707k129/=124rb2p

Haven't tried it myself, but I've heard that this stuff works well to glue many plastics:
http://www.loctiteproducts.com/p/13/7/epxy_plstc_s/overview/Loctite-Epoxy-Plastic-Bonder.htm

-- Randall