| Clean rank of suspended particles in air of gzcleanroom.com clean room or clean area: | |||||||
| ISO rank for air cleanness | Bigger or equal to maximum concentration limits in table (P/m3-air) | American federal 209E rank for cleanness | |||||
| LlCdllllCbb | 0.1um | 0.2um | 0.3um | 0.5um | 1um | 5um | |
| ISOCIassI | 10 | 2 | |||||
| ISOCIass2 | 100 | 24 | 10 | 4 | |||
| ISOCIass3 | 1000 | 237 | 102 | 35 | 8 | 1 | |
| ISOCIass4 | 10000 | 2370 | 1020 | 352 | 83 | 10 | |
| ISOCIass5 | 100000 | 23700 | 10200 | 3520 | 832 | 100 Class A | |
| ISOCIass6 | 1000000 | 237000 | 102000 | 35200 | 8320 | 293 | 1000 Class B |
| ISOCIass7 | 352000 | 83200 | 2930 | 10000 Class C | |||
| ISOCIass8 | 3520000 | 832000 | 29300 | 100000 Class D | |||
| ISOCIass9 | 35200000 | 8320000 | 293000 | 300000 |
| Rank | 1 | 10 | 100 | 1000 | 10000 | 100000 | 300000 |
| Semiconductor Chip Manufacturing | �� | �� | �� | ||||
| Semiconductor Chip Package | �� | �� | |||||
| Electronic Components Production | �� | �� | |||||
| Precision Products | �� | �� | |||||
| Medical injections | �� | �� | |||||
| Medical Oral Agent | �� | �� | |||||
| Aseptic Ward | �� | ||||||
| Operation Room | �� | �� | �� | ||||
| Aseptic Rearing Animals | �� | �� | |||||
| Precision Printing | �� | �� | �� | ||||
| Food Packaging | �� | �� | �� | ||||
| Food Canning | �� | �� |