Clean Booth Grade Standards: The Key Guide to Creating a Pure Space
2024.07.03
In the modern industrial and scientific research fields, the requirements for environmental cleanliness are getting higher and higher. As a device that provides a local highly clean environment, the grade standards of clean booths are of crucial importance. Today, let's delve deeply into the grade standards of clean booths.
The Importance of Clean Booths
Clean booths can create a relatively clean local space in a common environment, effectively controlling pollutants such as particles, microorganisms, and static electricity in the air, and providing a reliable environmental guarantee for production, experiments, medical treatment, and other activities.
Classification of Clean Booth Grades
The grades of clean booths are usually classified according to the concentration of suspended particles in the air, and are mainly divided into the following levels:
1. Class 100 clean booth: The number of particles equal to or larger than 0.5 microns per cubic meter of air does not exceed 3,520.
2. Class 1,000 clean booth: The number of particles equal to or larger than 0.5 microns per cubic meter of air does not exceed 35,200.
3. Class 10,000 clean booth: The number of particles equal to or larger than 0.5 microns per cubic meter of air does not exceed 352,000.
Measurement Indicators of Grade Standards
1. Concentration of suspended particles: This is the core indicator for measuring the grade of a clean booth and is detected by a professional particle counter.
2. Wind speed and airflow uniformity: Ensure uniform air flow to carry away pollutants.
3. Temperature and humidity control: Maintain appropriate environmental conditions to prevent condensation and microbial growth.
4. Pressure difference: Maintain an appropriate pressure difference between different areas to prevent the spread of pollution.
Factors Affecting the Grade of Clean Booths
1. Performance of filters: The filtration efficiency of high-efficiency filters directly determines the cleanliness of the air.
2. Sealing of the booth body: Any gaps or leaks will lead to the entry of external pollutants.
3. Activities of personnel and equipment: The movement of personnel and the operation of equipment may generate particles.
How to Choose the Appropriate Clean Booth Grade
1. According to the process requirements of production or experiments: For processes with extremely high cleanliness requirements such as chip manufacturing, a class 100 clean booth may be required; while for some common electronic assembly, a class 10,000 clean booth may be sufficient.
2. Cost considerations: The higher the grade, the higher the construction and operation costs. A balance needs to be struck while meeting the requirements.
Understanding the grade standards of clean booths helps us choose the appropriate clean environment according to actual needs and improve the quality of production and the accuracy of experimental results.
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