Is a concrete structure or a steel structure better for the clean area?

For CLASS1000 cleanrooms, it is generally recommended to use a concrete structure for the following reasons: 1. Concrete structures have high stiffness and low vibration, which makes it easier to maintain the desired level of cleanliness in the microenvironment and to meet strict cleanliness requirements； 2. Concrete structures offer better airtightness and dust resistance, have a smoother surface, and are easier to achieve high cleanliness levels ； 3. Concrete structures have better thermal insulation properties than steel structures, which can reduce air conditioning costs ； 4. Concrete buildings have strong durability and fire resistance, with relatively low maintenance costs over time. Although steel structures offer fast construction and high flexibility, in high-demand clean areas such as CLASS1000, they suffer from issues related to structural vibration, sealing, antistatic properties, dust prevention, and thermal insulation; as a result, their overall advantages are not as significant as those of concrete structures. Therefore, in CLASS1000 clean areas, it is recommended to give priority to concrete structure solutions. .