How Styrofoam Cups Are Made! - Steam Culture

Last week, we announced Brent would begin investigating what products are made with steam. Today, we discuss polystyrene cups and how they relate to Steam which we all know and love. These cups keep your cool beverages cold and your hot beverages hot.

Polystyrene are little beads, about the size of sugar crystals. When the crystals are heated by the power of Steam, they expand to 40 times their original size.

Stay tuned for next week's episode of Steam Culture where we will continue to look at more products created by steam that you use everyday .

Questions answered in this video:
What is polystyrene?
What is it combined with to make polystyrene?
What happens when you add the steam to the polystyrene?
How are the cups created?

Key terms:
Steam Culture
Expanded Polystyrene
Polystyrene balls
Polystyrene foam

If you have any steamy questions that you want Brent to answer, email him at Be sure to join us next Friday for the latest on Steam Culture.

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