Polyacrylonitrile Protective Clothing

Polyacrylonitrile fibers inherently possess good chemical stability and certain corrosion resistance. After undergoing special processing, they can effectively resist the invasion of various chemical substances, such as acids, alkalis, and various toxic and harmful chemical gases. Activated carbon fibers, as a new type of highly efficient adsorption functional material, have a developed microporous structure, a large specific surface area, and abundant surface chemical groups. Integrating them into protective suits significantly enhances the protective performance, enabling them to quickly and efficiently adsorb toxic and harmful gases and vapors, such as common organic volatile substances and chemical warfare agents. Compared to traditional activated carbon materials, activated carbon fibers have faster adsorption speed, larger adsorption capacity, and easier desorption.
This type of protective suit plays a crucial role in numerous scenarios. In the industrial field, when a chemical raw material leakage accident occurs, rescue and rescue personnel wearing polyacrylonitrile protective suits can effectively prevent the contact of leaked strong acids, strong alkalis, etc. with their bodies. At the same time, activated carbon fibers can adsorb the harmful gases diffusing in the air, ensuring the safe operation of rescue personnel. In the production workshop of hazardous chemicals, workers wearing such protective suits can avoid the harm to their bodies caused by long-term contact with chemical substances. In the nuclear, biological, and chemical protection scenarios, in the face of possible chemical warfare agents and toxic smoke, the combination of polyacrylonitrile protective suits and activated carbon fibers provides a reliable safety barrier for protection personnel, enabling them to perform tasks in high-risk environments.

Serial Number Testing Item Indicator
1 "Gas-Gas" protective time of the inner layer material against simulants such as thiophene ethyl ether ≥ 60 minutes
2 "Liquid-Gas" protective time of the inner and outer layer combination materials against mustard gas ≥ 24 hours
3 "Liquid-Liquid" pressure resistance and permeability of the inner and outer layer combination materials against mustard gas ≥ 1.47 × 10⁵ Pa
4 Permeability of the inner layer material ≥ 300 mm/s
5 Break strength of the inner layer material (radial direction): ≥ 300 N
Weft direction: ≥ 200 N
6 Hardness of the inner layer material (average bending length in radial and weft directions): not more than 7 cm
7 Resilience grade of the inner layer material ≥ 4
8 Drip water grade of the outer layer material ≥ 3
9 Flame retardant performance Reignition time ≤ 2 seconds
Smokeless time ≤ 2 seconds
Damage length ≤ 100 mm

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