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What is ISO 14644-1?

ISO 14644-1 is the main standard that determines cleanroom classification based on the concentration of airborne particles.

Author:NEVAYS Uzman Ekibi
Date:7/1/2026

What Is ISO 14644-1?

ISO 14644-1 is the fundamental standard that defines the air cleanliness classes of cleanrooms. By measuring particle size and concentration, it is determined which class the room falls into.

Nevays provides design and validation services in accordance with ISO 14644-1 in its projects, so that customers fully meet international quality requirements.

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