The role of cleanroom clothing on the environment
1. Cleanroom clothing system (cleanroom clothing) is a set of protective measures for individuals working in cleanrooms to remove a large amount of dust particles generated by cleanroom workers and reduce pollution to the cleanroom. It is usually composed of a jumpsuit, long boots, protective gloves, a hood, face protection and eye protection. The clothing system protects both personnel and processes and products. Therefore, the materials used must meet the following requirements: comfortable to wear and sufficient barrier between the wearer and the environment in which he lives, washable and resistant to treatment, suitable performance, and contain antistatic fibers to reduce the hazards of static electricity.
2. Basic requirements and fabric characteristics of cleanroom clothing system The purpose of using cleanroom clothing system is to minimize the dust pollution of human body, which requires that it itself cannot become a dust source, and at the same time, it must also take into account the prevention of human body self-dust and anti-static generation. In order to achieve such a protective effect, there are special requirements for the fabrics used to manufacture cleanroom clothing. Dust-free antistatic fabrics are also called antistatic ultra-clean fabrics, which are different from ordinary antistatic fabrics.
It must have the following characteristics at the same time:
A. It has anti-static function to prevent clothes from absorbing dust and being difficult to clean. At the same time, this anti-static performance must be long-lasting and efficient, and will not decay due to daily washing and friction.
B. The fabric itself does not generate dust. Since it is worn in a clean room, the fabric must not become a dust source in the clean room. This determines that only chemically synthesized long fibers can be used for production, while natural fibers such as cotton, linen, and silk cannot be used for ultra-clean fabrics.
C. It must have good dust filtration properties. The dust particles in the clean room mainly come from the indoor flowing air and the moving human body. When the equipment conditions are determined, improving the cleanliness is to control the tiny dust generated by the human body in the clothes to the maximum extent possible and prevent it from being emitted into the air. This is the so-called highest dust filtration rate. However, improving the dust filtration rate is at the expense of the fabric and breathability, so loosely woven fabrics are not suitable for clean rooms.