Bottle Cap Gasket: Keeping Soda FizzyThe science behind that small plastic disc in your cap.
From the show
Why it looks like thatDiscover the crucial role of the plastic liner inside your soda bottle cap. This small but mighty component is a precisely engineered gasket that creates an airtight seal, preventing your favorite carbonated drink from going flat. It's a simple, elegant solution where two different types of plastic work together. One provides the rigid structure of the cap, while the other's soft, pliable nature fills in microscopic gaps, locking in the carbon dioxide and preserving the fizz.
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