Materials Science
Self-cleaning glass does not repel water. It does the opposite — and that is the whole trick
26 Aug 2026 · 13 min read
Everyone assumes a self-cleaning surface is one water bounces off. The self-cleaning glass sold on real buildings works the other way round — water spreads into a sheet. Here is why there are two opposite routes to the same result, which one survives contact with the world, and the number suppliers quote that tells you almost nothing.
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