Cleanliness requirements for clean room
The need for a clean room in a clean room and the requirements for cleanliness in a clean room depend on the nature of the process in the clean room. In this regard, the level of protection required by the product, process and personnel, together with all other components on the cleanliness It is very critical to consider the entire requirements of the environment together. Taking the dust-free workshop built by people and the environment as an example, to ensure sufficient pollution control for a specific environment, it is necessary to control the number of indoor air changes, control the indoor temperature and humidity, and control Differential pressure from adjacent rooms, control of particle concentration in the room, control of building materials and equipment used in the room, control of the number of microorganisms, control of contamination levels of cleanroom clothing used and number of ventilation filters. Other factors that need to be considered overall are: Personnel hygiene, equipment options, flow of people and logistics channels. The following are the specific requirements for clean room cleaning:
(1) When cleaning the walls in the clean room, clean room dust-free cloth should be used;
(2), use 90% deionized water and 10% isopropanol to prepare cleaning agent;
(3) Use approved special detergent for clean room;
(4) Check the garbage bins in the workshop and maintenance room every day and clear them away in time.
(5) Every floor should be vacuumed. Every time a shift is changed, the work completion should be marked on the map, such as where it ends and where it starts.
(6) Special dust-free mopping cloth should be used to clean the floor of the clean room.
(7) Special vacuum cleaners with high-efficiency filters should be used for vacuuming in the clean room.
(8), all doors need to be checked and wiped dry
(9) Wipe the floor after sucking the floor. Wipe the walls once a week.
(10) Vacuum and wipe under the raised floor.
(11) Wipe the pillars and support columns under the raised floor once every three months.
(12) When working, you must remember to always wipe from top to bottom, from the place farthest from the door to the direction of the door. Tianjin Strength provides you with dust-free cloths, dust-free wipes, microfiber dust-free cloths, etc.