What is a clean room?

The clean room is a room with a controlled amount of particles and microorganisms in the air, humidity, temperature, pressure, as well as the level of static electricity.

Clean rooms are necessary for processes that require maintaining a certain level of atmospheric cleanliness in the production or research. For this reason, clean rooms are intended primarily for the pharmaceutical, medical, biotechnology and laboratory industries.


Air purity in clean rooms is controlled in accordance with ISO 14644 requirements. Depending on the requirements for the maximum amount of particles allowed in a room, an appropriate clean room cleanliness class is designated. For the pharmaceutical and biotechnology industry, GMP room classification is used, which specifies classes from A to D. 

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