Class 10 Cleanroom is the second classification type of the FED-STD-209 classification standard, the Class 10 Cleanroom corresponds to the Class 4 Cleanroom of the ISO standard.
The maximum allowable particles for particles for a Class 10 Cleanroom are below:
0.1 µm : 350 per cubic foot
0.2 µm : 75 per cubic foot
0.3 µm : 30 per cubic foot
0.5 µm : 10 per cubic foot
Other requirements for Class 10 Cleanroom Classification include:
- Rasied floor 99.999% on 0.3 mirons
- Purification of external air with HEPA filters
- Installation of gasketed grids are accepted
- Low walls returns of over 90% coveage
- Minimum of 500 to over 600 air changes per hour 85-90% ceiling coverage.
