What Makes Paper Cups Waterproof
Mar 04 , 2025
Paper cups or disposable cups are everywhere. You see them in office shops, parties, and even the office. But have you ever questioned how these simple paper cups preserve liquids without leaking? The secret lies in how they're made. Paper, by using itself, cannot hold liquids for long. It absorbs water and will become soggy. So, what makes paper cups waterproof? Let's dive into the details. The R...
