[Diaperman][Shorts] Tiny Holes All Over a Diaper's Outer Cover?! It Blocks Water but Breathes

🎬 Shorts video: https://youtube.com/shorts/Js2rVh92_yA

Zoom in on a diaper's outer cover and you'll find tiny holes all over it. With holes in it, why doesn't it leak?

📌 Key Takeaways

The secret is the breathable backsheet — a PE film full of micro-holes.
Liquid water (droplets) can't pass through the holes because of surface tension.
Gaseous water vapor passes right through the holes and escapes.
So it "blocks water but breathes" — breathability matters because trapped moisture causes diaper rash.

Can you believe perforated plastic blocks water? Let me know in the comments!

🕵️ The science you were too embarrassed to ask about — search 'Diaperman' on YouTube and subscribe → https://www.youtube.com/@gijeogwiman

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#diaper #breathability #backsheet #diaperman #shorts

🤖 This video was generated with AI.

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