What are the requirements for the use of air showers in clean rooms?

I. Functional characteristics of the equipment

1. Indoor environment requires low bacteria count and low concentration of anesthetic gases.

2. Comfortable airflow can be provided.

3. Positive airflow is maintained between 23-25 Pa to prevent the intrusion of external contamination.

4. The air in the room should be fresh and the environment should be comfortable.

5. No physical or chemical disinfection is required.

II. Precautions for the use of equipment

1. Special clothing and shoes and hats must be changed before entering the clean room.

2. Strictly control the number of people entering the room.

3. Minimise the number and time of opening the door to prevent the intrusion of outside contamination.

4. Be sure to wipe each item in the room with alcohol, medical instruments, etc. before use.

5. Thoroughly clean all items in the room, walls, and floors after use.

6. Women should not use cosmetics to reduce the source of pollution.

7. Choose polyester or nylon fabrics that are not easy to generate static electricity and shed fibers.

8. Regularly check the status of the indoor purification system to ensure its air cleanliness index.