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What is Class 10000?

Published in Cleanroom Classification 2 mins read

A Class 10000 cleanroom, also known as an ISO 7 cleanroom, is a controlled environment designed to minimize airborne particles. It maintains exceptionally high air cleanliness levels, allowing for sensitive processes and manufacturing free from contamination.

Key Characteristics of a Class 10000 Cleanroom:

  • Particle Count: A Class 10000 cleanroom allows a maximum of 352,000 particles of 0.5 micrometers (µm) or larger per cubic meter of air. This is significantly cleaner than standard ambient air.
  • Air Changes: These cleanrooms typically have 30 to 60 air changes per hour, constantly filtering and replacing the air to maintain the low particle count. This ensures consistent cleanliness.
  • HEPA Filtration: High-Efficiency Particulate Air (HEPA) filtration systems are crucial, removing the vast majority of airborne particles. This advanced filtration is essential for the cleanroom's functionality.
  • Protective Garments: While requiring fewer protective garments than stricter cleanroom classes (like Class 100 or Class 10), workers still wear appropriate attire to prevent contamination. This minimizes the introduction of particles from personnel.
  • Modular Construction: Many Class 10000 cleanrooms utilize modular wall systems for flexible design and easy installation. This offers a practical and adaptable solution for various needs.
  • Applications: These cleanrooms are suitable for various applications, including pharmaceutical manufacturing, medical device production, and precision assembly. Their cleanliness levels are ideal for sensitive processes.

The term "Class 10000" refers to the maximum number of particles (0.5 µm or larger) permitted per cubic foot of air. The newer ISO 14644-1 standard uses the classification ISO 7, which is equivalent. Both classifications represent a similar level of cleanliness.

Note: Depending on the context, "Class 10000" might also refer to a different classification system, such as vehicle weight classes. In this context, it refers to vehicles weighing between 6,001 and 10,000 pounds. However, based on the provided references, the primary meaning is related to cleanroom classifications.

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