Quick overview of cleanroom classes
Classification of air cleanliness in cleanrooms and associated cleanroom areas
| US Federal Standard 209 | GMP guidelines | ISO classes according to ISO 14644-1 |
|---|---|---|
| 1 | ISO 3 | |
| 10 | ISO 4 | |
| 100 | A / B | ISO 5 |
| 1.000 | ISO 6 | |
| 10.000 | C | ISO 7 |
| 100.000 | D | ISO 8 |
| ISO 9 |
Cleanroom classes in comparison
Comparison of air purity in cleanrooms and associated cleanroom areas
