There are many types of Class 10,000 cleanrooms. Below Class 10,000, there are four types: Class 1, Class 10, Class 100, and Class 1000. These are primarily used in different standard industries. The Class 10,000 cleanroom has three levels, and the key differences lie in temperature and humidity, pressure differential, cleanliness, applicable areas, and ventilation standards. Below is a detailed introduction to the differences between Class 10,000, Class 100,000, and Class 100,000 cleanrooms.
The Differences Between Class 10,000 and Class 100,000 Cleanrooms
1. Space: The required cleanroom class is the primary factor in determining the floor plan.
2. Different cleanroom classes require different temperatures and humidity levels. Cleanliness is key to selecting the air change rate. The higher the cleanliness, the greater the air change rate, the greater the air volume and cooling capacity required for the cleanroom, and the volume of air ducts and high-efficiency air outlets increases accordingly. The higher the temperature and humidity control requirements, the more comprehensive the supporting equipment required, and the higher the cost.
3. Different cleanroom levels have different requirements, resulting in different lighting levels and the number of required lamps.
4. The differences between Class 10,000 and Class 100,000 are not limited to the above-mentioned major aspects. As can be seen from these aspects, different levels lead to different costs; the higher the level, the higher the cost.
What are the differences between Class 100,000 and Class 1,000,000 cleanrooms?
1. Different cleanliness levels
Class 100,000 means no more than 100,000 particles larger than 0.5 microns per cubic meter; Class 1,000,000 means no more than 1 million particles larger than 20.5 microns per cubic meter. Class 100,000 cleanliness is higher than Class 1,000,000 cleanliness.
2. Different hazard levels
The higher the dust level, the cleaner the environment. Class 100,000 has a lower hazard level than Class 1,000,000 cleanrooms.
3. Different Fresh Air Volumes
Small dust particles have a significant dispersion effect. Low air velocity means longer retention time in the filter material, giving dust more opportunities to strike obstacles, resulting in higher filtration efficiency.
Experience shows that for high-efficiency filters, halving the air velocity reduces dust transmission by nearly an order of magnitude (increasing efficiency by 9), while doubling the air velocity increases transmission by an order of magnitude (decreasing efficiency by 9).
The cleanliness level of a cleanroom is measured by the number of dust particles 0.5 μm or larger per cubic meter of air. Because Class 100,000 cleanrooms are often occupied, the maximum value should be used based on the following values:
10-30% of the total air supply volume for non-unidirectional cleanrooms. This should compensate for the fresh air volume required for indoor exhaust and maintaining positive indoor pressure. Ensure a fresh air volume of ≥40 m³/h per person per hour.
