Class 6 Cleanroom is the sixth classification type of the ISO 14644-1 classification standard, the ISO Class 6 Cleanroom corresponds to a Class 1000 Cleanroom in the FED-STD-209E Cleanroom classification.
The maximum allowable particles for particles for a ISO Class 6 Cleanroom are below:
0.1 µm : 1000000 per cubic metre
0.2 µm : 237000 per cubic metre
0.3 µm : 102000 per cubic metre
0.5 µm : 35200 per cubic metre
1 µm : 8320 per cubic metre
5 µm : 293 per cubic metre
