Class 8 Cleanroom is the eighth classification type of the ISO 14644-1 classification standard, the ISO Class 8 Cleanroom corresponds to a Class 100000 Cleanroom in the FED-STD-209E Cleanroom classification.
The maximum allowable particles for particles for a ISO Class 8 Cleanroom are below:
0.5 µm : 3520000 per cubic metre
1 µm : 832000 per cubic metre
5 µm : 29300 per cubic metre