When I think of Polystyrene my mind conjures pictures of drinking cups, egg trays, meat trays and picnic plates. This spongy material is called Expanded Polystyrene (EPS). EPS was invented in 1952 by BASF. It is a lightweight cellular material derived from petroleum and natural gas by-products. It is initially produced as small beads containing a blowing agent. The beads … [Read more...]
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