Iso 14644-9 Pdf _verified_ ◆ <TRUSTED>
Cleanliness is designated using the format SCP Class N (D µm) , where N is the grade level and D is the considered particle size. Measurement and Testing Methods
For a complete designation, the report must also include the measured surface type, the specific surface area, and the measurement method used. Measurement and Assessment Procedures Iso 14644-9 Pdf
Acceptable instruments include:
ISO 14644-9 replaces ISO 14644-1. Fact: No—they complement each other. Airborne and surface contamination require separate controls. Cleanliness is designated using the format SCP Class
Where:


