洁净度级别 Clean Class | 粒径 Particles Size (um) | ||||
0.1 | 0.2 | 0.3 | 0.5 | 5.0 | |
1 | 35.0 | 7.5 | 3.0 | 1 | --- |
10 | 350 | 75.0 | 30 | 10 | --- |
100 | --- | 750 | 300 | 100 | --- |
1000 | --- | --- | --- | 1000 | 7.0 |
10000 | --- | --- | --- | 10000 | 70.3 |
100000 | --- | --- | --- | 100000 | 700 |
ISO Classification Number (N) | 0.1um | 0.2um | 0.3um | 0.5um | 1.0um | 5.0um |
ISO Class 1 | 10 | 2 | --- | --- | --- | --- |
ISO Class 2 | 100 | 24 | 10 | 4 | --- | --- |
ISO Class 3 | 1000 | 237 | 102 | 35 | 8 | --- |
ISO Class 4 | 10000 | 2370 | 1020 | 352 | 83 | --- |
ISO Class 5 | 100000 | 23700 | 10200 | 3520 | 832 | 29 |
ISO Class 6 | 1000000 | 237000 | 102000 | 35200 | 8320 | 293 |
ISO Class 7 | --- | --- | --- | 352000 | 83200 | 2930 |
ISO Class 8 | --- | --- | --- | 3520000 | 832000 | 29300 |
ISO Class 9 | --- | --- | --- | 35200000 | 8320000 | 293000 |
洁净度级别 Clean Class | 尘埃*大允许数/立方米 Maximum pemit quantity of Particles percubic metre | 尘埃*大允许数/立方米 Maximum pemit quantity of Microorganism | ||
≥0.5um | ≥5.0um | 浮游菌个/M3 | 浮游菌个/·30min | |
100 | 3,500 | 0 | 5 | 1 |
1000 | 35,000 | 2,000 | 100 | 3 |
10000 | 350,000 | 20,000 | 500 | 10 |
100000 | 3,500,000 | 61,800 | --- | 15 |
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