water resistant devices

What Are Hydrophobic and Superhydrophobic Coatings?

Hydrophobic coatings are materials that repel water due to their low surface energy. Superhydrophobic coatings, on the other hand, are extremely water-repellent and are characterized by a contact angle greater than 150 degrees. These coatings often employ a combination of nanoscale roughness and chemical treatments to achieve their properties.

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