ISO 14644-3:2019 serves as the current international standard for defining test methods to evaluate the performance of cleanrooms and clean zones. The standard establishes critical testing procedures for airflow, filter leakage, and environmental factors across as-built, at-rest, and operational occupancy states. For more information, visit ISO Store .
| Source | Format | Price (approx.) | Notes | |--------|--------|----------------|-------| | | PDF + Paper | 138 CHF | Official source, includes corrigenda. | | ANSI Webstore (US) | PDF | $210 | Redistributes ISO standards. | | BSI Group (UK) | PDF | £206 | Also offers EN ISO 14644-3:2019. | | DIN (Germany) | PDF | €188 | German/English versions. | | JIS (Japan) | PDF | ¥20,000 | Japanese translation available. | iso 146443pdf 2021