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 ...

explains that Styrofoam is referred to as "extruded polystyrene" or XPS, which is structurally different from expanded ...

It's made from extruded polystyrene foam. The foam food containers we're familiar with are made from a similar, but different ...

"Previously it has been thought that mealworms could be used to help break down expanded polystyrene, a plastic foam notorious for its environmental persistence," Dr. Fritz said. "We found ...

In his guide, he details the difference between XPS (expanded polystyrene) and EPS (extruded polystyrene ... He cuts the foam into roughly the right shape with a hot wire. Clean up is done ...