FAQ
Cleanroom Classifications acc. to US FEDERAL STANDARD 209D
|
Class |
MEASURED PARTICLE SIZE (MICROMETERS) |
||||
|
0.1 |
0.2 |
0.3 |
0.5 |
5.0 |
|
|
1 |
35 |
7.5 |
3 |
1 |
NA |
|
10 |
350 |
75 |
30 |
10 |
NA |
|
100 |
NA |
750 |
300 |
100 |
NA |
|
1,000 |
NA |
NA |
NA |
1,000 |
7 |
|
10,000 |
NA |
NA |
NA |
10,000 |
70 |
|
100,000 |
NA |
NA |
NA |
100,000 |
700 |