Polystyrene (PS) /ˌpɒliˈstaɪriːn/ is a synthetic aromatic hydrocarbon polymer
made from the ... Polystyrene ball-and-stick model ... This temperature behaviour
is exploited for extrusion (as in Styrofoam) and also for molding and vacuum
forming .... This may someday be of use in the effective disposing of polystyrene
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Cutting styrofoam into any shape you want is easy, but you'll need to choose the
right tool for your needs. You can ... Use a foam cutting saw to cut through larger
pieces. Foam ... You can cut a round styrofoam ball in half by tracing a line along
its equator with a sharp pencil. .... Make a Pinboard from Unwanted Polystyrene.