Iso 9 Cleanroom Requirements

Cleanrooms are rated based on the number of particles they can handle.

Iso 9 cleanroom requirements.

The cleanroom classification standards fs 209e and iso 14644 1 require specific particle count measurements and calculations to classify the cleanliness level of a cleanroom or clean area. Cleanroom requirements and standards provide a direct and easy to understand way of detailing the differences between the eight classes of cleanrooms. An iso 1 is the cleanest whereas an iso 9 is the dirtiest status for cleanroom standards. Analysis shows there are about 500 000 to 1 million particles per cubic feet of air.

Ordinary room air is around class 1 000 000 or iso 9. The latter to cleanrooms where biocontamination may be an issue. Iso 14644 1 and iso 14698 are non governmental standards developed by the international organization for standardization iso. Iso is an independent non governmental international organization with a membership of 162 national standards bodies.

To measure contaminants found in the cleanroom the standard deployed is a micron or micrometer μm micron measurement represents the cleanroom standard size for. The former applies to clean rooms in general see table below. In the uk british standard 5295 is used to classify cleanrooms. The primary authority in the us and canada is the iso classification system iso 14644 1.

Iso 14644 1 and iso 14698.