Polystyrene is all around us, in coffee cups and egg cartons, meat and produce trays, soup and salad bowls, in CD jewel boxes, and the packing “peanuts” and molded foam that protect new appliances and electronics. It is the lightweight packaging and insulating material that helps prevent damage to products in transit. Polystyrene is also used in building materials, electrical appliances, in light switches and plates, and many other household items.
Dow Chemical Company introduced and trademarked Styrofoam, a form of polystyrene foam insulation, in the U.S. in 1954. The scientific name for Styrofoam is polystyrene foam. According to the industry, that coffee you drank from a foam cup this morning was not Styrofoam; it was polystyrene foam.
Like all traditional plastics, polystyrene is made from petroleum, which is a non-sustainable source of major environmental pollution. Additionally, Ethylene and Benzene are chemical precursors in the manufacture of polystyrene and large amounts of hazardous waste are generated in the manufacturing process. Solid at room temperature, polystyrene is a thermoplastic substance; a plastic that melts when heated and becomes solid again when cooled. …read more of You Are What You Eat…Literally here