How to classify the levels of clean clothes
When many friends learn about laboratory clean clothes, they don’t understand how laboratory clean clothes are classified. They see that there are many colors of work clothes in the laboratory. And different styles of clean clothes, I thought they were not colleagues working in the same laboratory. Later I learned that there are classifications for laboratory work clothes. So what are the classifications of laboratory clean clothes?
General laboratory clean clothes can be divided into three categories: sterile work clothes Category I, clean work clothes Category II, and clean work clothes Category III. They are mainly divided into these three categories.
1. Sterile work clothes Category I (for use in Class B and Class B+A clean areas): one-piece clean clothing (i.e. clothing and pants in one), masks.
2. Category II clean work clothes (for use in Class C and Class C+A clean areas): one-piece clean clothes and masks.
3. Category III clean work clothes (for use in Class D clean areas): one-piece clean clothes (i.e. clothing and pants in one), masks or clean clothes, clean pants (i.e. split clean clothes), Clean work shoes and masks; clean work clothes used in respective clean areas are divided into clean work clothes for job operations, clean work clothes for equipment and facility maintenance, and clean work clothes for visits according to the requirements and objects of use.
General laboratory clean clothes are also divided into several colors. Clean clothes in B+A clean areas are grass green (maintenance workers’ clean clothes are also grass green, but “maintenance” should be clearly marked “Worker”), C-level area clean clothes are white, D-level clean clothes are blue, and maintenance clean clothes are generally brown.
At this time, someone will ask, what is the service life of laboratory clean clothes? In fact, this is also required. Those with high requirements for cleanliness are more stringent. Generally, Class B sterile clothing is for one-way use. Level C and Level D: once per class. However, C+A level operators should operate less than 3 times. So which industries are suitable for anti-static clean clothes? In which industries is it commonly used?
How are laboratory clean clothes handled in terms of cleaning, disinfection, and sterilization?
B-level sterile clothing, using vacuum pulsation sterilization cabinet for sterilization with pure steam at 121°C for 15 minutes;
C-level clean clothes should be disinfected with at least ≥20ppm ozone for 30 minutes (considering that it takes time for the ozone concentration to gradually increase, the operating time is set to 45 minutes and verified);
Clean clothes of different levels and functions cannot be washed together.
Conduct testing in accordance with the methods specified in “Clean Room Construction and Acceptance Specifications” (JGJ 71-90), BSL-3 and ABSL-3 laboratories, BSL-4 and ABSL-4 laboratories The qualified range for cleanliness testing in semi-contaminated areas and contaminated areas should be the number of dust particles greater than or equal to 0.5tan in the air >352
000 particles/m3 to ≤3 520 000 particles/m3, and the number of dust particles ≥5ptm is greater than 2 930 particles/m3 to ≤29 300 particles/m3.
Level B sterile clothing is generally used for 24 hours, while level C clean clothing is generally used for 48 hours. I believe that after reading this article, you must have understood the classification of laboratory clean clothes and some related precautions. We will update more relevant information later, please pay attention to the updates of our official website.
AAAFYYTRUYJY76I
Disclaimer:
Disclaimer: Some of the texts, pictures, audios, and videos of some articles published on this site are from the Internet and do not represent the views of this site. The copyrights belong to the original authors. If you find that the information reproduced on this website infringes upon your rights, please contact us and we will change or delete it as soon as possible.
AA