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Clean room-classification

Maximum of the particle concentration (particle per m³ air) equal or higher as the considered Particle diameter

 

ISO
Classification
EN 14644-1
VDI
2083
US-Fed.
Std. 209
Filter-
Seperationrate
0,1 μm0,2 μm0,3 μm0,5μm1 μm5 μm
Class 1   102    
Class 2   10024104  
Class 3  99,9999951.000237102358 
Class 41199,9999510.0002.3701.02035283 
Class 521099,9995100.00023.70010.2003.52083229
Class 6310099,9951.000.000237.000102.00035.2008.320293
Class 741.000    352.00083.2002.930
Class 8510.000    3.520.000832.00029.300
Class 96100.000    35.200.0008.320.000293.000