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ISO 14644 Equivalents for EU GMP Grades

ISO 14644 Equivalents for EU GMP Grades
23/09/2020

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People get in touch for a wide variety of reasons. It may be to talk to us about a new facility they require, a Cleanroomshop consumables order or to ask about cleanroom validation.

We've noticed that we frequently get asked what ISO Classification is equivalent to EU GMP Grades for zones or cleanrooms, so we’ve put together a handy breakdown below.

What is the ISO 14644 approximate equivalent for the EU GMP grades?

EU GMP Grade A is approximately equivalent to ISO Class 5 EU GMP Grade B is approximately equivalent to ISO Class 5 EU GMP Grade C is approximately equivalent to ISO Class 7 EU GMP Grade D is approximately equivalent to ISO Class 8 For more information on the particulate concentration limits, we have a table that breaks it down on our cleanroom classifications page.

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