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Cleanrooms are classified based on their level of cleanliness according to the ISO 14644–1 standard. The classification is determined by the number of particles present in the air per cubic meter at a specified particle size. Here are the key differences in ISO cleanroom classifications:
1.ISO Class 1 (Class 1,000):
Maximum particles per cubic meter: 1,000 particles of size 0.5 micrometers or larger.
Examples of use: Precision machining, some electronics manufacturing.
2.ISO Class 2 (Class 10,000):
Maximum particles per cubic meter: 10,000 particles of size 0.5 micrometers or larger.
Examples of use: Electronics assembly, pharmaceutical manufacturing.
3.ISO Class 3 (Class 100,000):
Maximum particles per cubic meter: 100,000 particles of size 0.5 micrometers or larger.
Examples of use: Laboratory work, aerospace manufacturing.
4.ISO Class 4 (Class 1,000,000):
Maximum particles per cubic meter: 1,000,000 particles of size 0.5 micrometers or larger.
Examples of use: Light manufacturing, some food processing.
5.ISO Class 5 (Class 10,000,000):
Maximum particles per cubic meter: 10,000,000 particles of size 0.5 micrometers or larger.
Examples of use: Non-critical cleanroom processes, data centers.
It’s important to note that these classifications are based on the number of particles larger than 0.5 micrometers in size. Cleanroom in kuwait may also be classified based on the maximum allowable counts of particles larger than 5.0 micrometers, as well as limits on viable particles (such as bacteria and fungi) to further specify cleanliness levels. Different industries and applications require specific cleanroom classifications to ensure the quality and safety of their processes and products.
Reference Link(OriginallyPosted) https://medium.com/@ziebaqtechnology/what-are-the-differences-in-iso-cleanroom-classifications-3e09d8f54377
https://ziebaq.wordpress.com/2023/11/29/what-are-the-differences-in-iso-cleanroom-classifications/
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