Classification of cleanrooms according to ISO

ISO, the International Organization for Standardization, is an independent international association of standardization bodies with members from 167 countries. It is a non-governmental organization based in Geneva, Switzerland. ISO has published an extensive series of standards, including those related to cleanrooms. Cleanrooms play a crucial role in various high-tech industries, enabling processes that would otherwise be impossible. They are utilized in industries such as semiconductor manufacturing, medical technology, laboratories, aerospace, food production, chemical and pharmaceutical manufacturing, and the automotive industry. Cleanrooms are also essential in nanotechnology, although they are regulated by a different standard (ISO/TC 229 Nanotechnologies).

Cleanroom clasification

The required classification for a cleanroom depends on the demands placed on the product being produced. Naturally, cleanrooms become more cost-intensive as the requirements and classification level increase. In general, a cleanroom can be defined as a constructed and designed space intended to control the level of particle contamination of various sizes per unit volume in the air within specific zones [1]. Ventilation systems that regulate parameters such as temperature, humidity, air flow, and air purity play a significant role in this control.