Which ISO Cleanroom Class Is The Cleanest?

The ISO Cleanroom Classes use the air particles count to determine their levels starting from ISO Class 1 through ISO Class 9 where lower numbers indicate higher cleanliness standards. Under the most strict class of ISO classification known as Class 1 Cleanrooms workers must find no more than ten particles which exceed 0.1-micrometer size per cubic meter of air space. ISO Class 9 Cleanrooms serve environments which have less demanding cleanliness levels compared to other classes.

Out of all available cleanroom classes the cleanest belongs to ISO Class 1 Cleanroom. This environmental standard finds its main applications during semiconductor production together with nanotechnology to fulfill highly demanding cleanliness specifications. The level of cleanliness in ISO Class 9 Cleanroom reaches the standard of being clean yet differs substantially from ISO Class 1 Cleanroom standards.

The ISO Class 1 Cleanroom stands as the cleanest available Cleanroom category which serves the needs of industries requiring maximum cleanliness levels. An individual exposed to this environment will realize how seriously air quality control measures are enforced.