1: Suitable for thousands of levels (equivalent to B/A level) above the choice of hooded, hooded and hooded clean work clothes (referred to as three one-piece clean clothes) or four straight clean clothes: it is cut with a whole piece of fabric, waist with flat rubber or elastic band tight, neckline, cuffs, trouser feet and other seams with non-contaminated material. The hat covers the whole head except for the eyes and nose, and the ears have small holes. Now many pharmaceutical and food enterprises use four in a row, which is considered to have good dust and bacteria prevention effect. In fact, there is a problem in this is: it is not very convenient to work, and a bend will have the feeling of back being pulled, resulting in uncomfortable work for employees. It is recommended to use the form of three-piece and soft soled boots.
2: Suitable for 10,000 level (equivalent to level C) to choose two-piece or three-piece. Of course, some enterprises use split clean clothes, which is a great challenge for environmental testing, but also imperceptibly improve the requirements of air conditioning purification capacity.
Suitable for class 100,000 (equivalent to class D) select split clean clothes; Clean work clothes separated from hats and pants (abbreviated as split clean clothes jacket clean clothes), most of the jacket jacket and trousers or western jacket and trousers two types. The collar of the coat is a standing collar, and it is a small open collar, and the collar is tightened with flat rubber or sewn to do ribbed, generally with zip chain rather than buttons.
300,000 level (for drugs, there is no grading requirement of this level, it is estimated to be equivalent to CNC area) choose the gown type clean clothes; Coat type or gown type clean work clothes: lab coat type white clothes made of clean room work clothes fabric, cuffs with rubber binding, hem should be above the knee.
Below, say a little about the use of clean clothes some basic requirements:
1. The selection of materials, style and way of wearing clean clothes should be consistent with the requirements of production operation and air cleanliness level, and should not be mixed (classified storage in a separate type, and should be numbered, special person/special area). The texture of clean work clothes should be smooth, do not produce static electricity, do not fall off fibers and particles.
2. Clean work clothes for high-level areas should be able to cover all hair, beard and feet, and prevent human shedding.
3. Clean clothes used at different air cleanliness levels should be cleaned and sorted separately, and disinfected if necessary. The washing area and sterilization time of clean clothes should be specified in detail. Additional particulate matter should not be brought into the cleaning and sterilization of clean clothes, and the cleaning cycle of work clothes should be established. How to place the clean clothes after use, etc.
4. Clean work clothes used in areas above class 100,000 should be washed, dried and sorted out in the clean room (area). The cleaning cycle can be set and corresponding records can be made (there should be status identification, which can reflect the state of the clothes, sterilization time, validity period, operator and other information), so that it can be used within the validity period.