ISO 14644 Equivalents for EU GMP Grades
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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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