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ISO 14644-1 Class 6 Cleanroom Classification Guidelines

Federal Standard 209E equivalent: Class 1,000

ISO Class 6 Cleanroom InfoAir changes per hour required: 150-240

For ISO Class 6 cleanrooms, organisations typically measure micron sizes 5.0µ, 0.5µ and 0.3µ.

See the maximum allowable concentrations by cleanroom class on our Cleanroom Information page.

Considerations for ISO Class 6 Cleanrooms

High Efficiency Penetration Air (HEPA) Filtration is 99.99% efficient at 0.3 micron and should be considered when looking to achieve ISO class 6.

Hardwall CleanroomHardwall cleanroom construction is most effective at achieving the environment required for ISO class 6.

If organisations are working towards GMP grades, monobloc is the most effective solution, as it can accommodate required features such as interlocked doors and coved floors.

See our Case Studies for more information.

Clothing considerations for ISO Class 6 cleanrooms

Cleanroom clothing for the classesFind cleanroom clothing for ISO Class 6 cleanrooms at

Use the filters to refine your search to find the most appropriate clothing for your application.

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