What are Styrofoam cups made of?

Answer Styrofoam cups are made from a plastic material known as polystyrene. The main chemical component of polystyrene is styrene. Polystyrene is used to make Styrofoam cups because of its insular qualit... Read More »

Top Q&A For: What are Styrofoam cups made of

When were Styrofoam cups invented?

They haven't been invented. The term Styrofoam cup is a misnomer. The name Styrofoam is a registered trademark owned by the Dow Chemical Company. The company does not produce Styrofoam products lik... Read More »

Are styrofoam cups recyclable?

Styrofoam, which is made from a polymer called polystyrene, is recycled by some facilities such as the First Alternative Co-op. Recycled Styrofoam may be used for packaging. Some facilities reuse S... Read More »

Who invented Styrofoam cups?

John Grebe invented the plastic foam cup using a material known as "expanded polystyrene," which he also invented. It is related to, but not the same as, the trademarked Styrofoam, or "extruded pol... Read More »

Are Styrofoam cups biodegradable?

Cups and containers made out of polystyrene (often referred to as Styrofoam) are not biodegradable. Biodegradable materials, such as paper and orange peels, break down quickly. In contrast, polysty... Read More »