ISO 14644

  • ISO 14644 classifies the levels of cleanliness of solid surfaces by the concentration of particles, applicable to clean rooms and related controlled environments
  • ISO 14644 applies to all solid surfaces in clean rooms and related controlled environments such as walls, ceilings, floors, work environments, tools, equipment and products. The classification of surface cleanliness by particle concentration (SCP) is limited to particle sizes between 0.05 µm and 500 µm.