What should be the particle size for monitoring in different clean rooms ? Today we will start with the three major industries of medicine, food, and semiconductors to take you to explore!

The pharmaceutical industry is related to life and health, and the requirements for clean rooms are extremely high. According to the "Good Manufacturing Practice for Pharmaceuticals" (GMP), pharmaceutical production clean rooms are mainly divided into four levels: A, B, C, and D, and the monitored particle sizes are mainly 0.5μm and 5.0μm.

The clean rooms in the food industry should not be underestimated either. After all, “diseases come from the mouth”. According to the Technical Specifications for Clean Rooms in the Food Industry (GB 50687--2011), clean rooms in the food industry are divided into levels I , II , III, IV , and the main monitored particle sizes are also focused on 0.5μm and 5.0μm.

The semiconductor electronics industry is a representative of "high-tech", and the requirements for environmental cleanliness in processes such as chip manufacturing have reached the nanometer level. Referring to the "Design Specifications for Clean Rooms in Electronic Industry" (GB 50472-2008), the cleanliness level classification is more detailed, and different cleanliness environments need to be designed for different processes. The particle size detected ranges from 0.1-0.5μm.

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