Clamshell containers, cups and other food ware items made from expanded polystyrene foam are popularly—though incorrectly—called Styrofoam, which is a registered brand name for styrene foam ...

Say goodbye to Styrofoam cups, take out containers and coolers. The expanded polystyrene (EPS) foam ban, including Styrofoam products, went into effect in the state of Washington on Saturday.

In his guide, he details the difference between XPS (expanded polystyrene) and EPS (extruded polystyrene ... Starting with two pink sheets of XPS, he laminated them together with glue to form ...