A dust-free room is a specially designed room that removes pollutants such as particulates, harmful air and bacteria from the air within a certain space range, and controls the indoor temperature, cleanliness, indoor pressure, air flow velocity and distribution, noise, vibration, lighting and static electricity within a certain demand range.

The dust-free room is composed of the following systems (indispensable in the system molecules), otherwise it will not be able to form a complete and high-quality dust-free room:

(1) Ceiling system includes ceiling rod, beam (I-Beam or U-Beam), ceiling grid or ceiling frame.

⑵ Air conditioning system includes air cabin, filter system, windmill, etc.

(3) Partitioned wall includes windows and doors.

(4) The floor includes elevated floor or anti-static floor, and epoxy self leveling and roller coating floor.

(5) Lighting fixtures include fluorescent lamps, yellow tubes, etc.

(6) The main structure of the dust-free room is generally made of steel bars or bone cement, but no matter what kind of structure, the following conditions must be met:

A. No cracks due to temperature change and vibration;

B. It is not easy to produce fine dust particles, and it is difficult to attach particles;

C. Low hygroscopicity;

D. In order to maintain indoor humidity conditions, the thermal insulation should be high;