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#quaternary ammonium

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How antimicrobial coatings keep working after the cleaner has gone

Materials Science

How antimicrobial coatings keep working after the cleaner has gone

24 Aug 2026 · 12 min read

A disinfectant stops working the moment it dries. An antimicrobial coating is designed for the hours in between — the gap between one clean and the next. Here is the chemistry behind it, what a 99.9% claim actually measures, and the questions worth asking before you buy one.

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