What Is an ISO 7 Cleanroom Classification?

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The ISO-7 classification, as defined by the ISO 14644-1 Cleanroom Standards, permits a maximum of 352,000 particles of 0.5 microns or larger per cubic meter and requires at least 60 air changes per hour. This level of cleanliness makes ISO-7 cleanrooms suitable for a variety of industries, including pharmacy compounding compliant with USP797/800 standards, semiconductor processes like bonding, metal deposition, and testing, as well as pharmaceutical manufacturing in non-critical areas. Other applications include aerospace manufacturing, printed circuit board production, medical device manufacturing, nutraceutical production, and precision manufacturing. These cleanrooms are often constructed using modular or hardwall systems, which provide robust air quality control and operational efficiency tailored to specific industry requirements.