Aramid Fabric has the following characteristics:
1. High Strength and High Modulus
Aramid fibers have excellent tensile strength. For example, the strength of para-aramid is 5-6 times that of steel wire. This makes aramid fabrics less likely to break when subjected to large tensile forces, and can play an advantage in application scenarios that require high-strength materials, such as making bulletproof vests and cut-resistant gloves. In bulletproof vest applications, aramid fabrics can effectively disperse the impact of bullets and protect human safety.
Its high modulus property means that it deforms less when subjected to force. This feature is very important for products that need to maintain shape stability. For example, in the aerospace field, aramid fabrics are used to make reinforcement materials for parts such as wings and fuselages. While ensuring structural strength, they can maintain the shape of aircraft parts and improve flight safety.
2. High temperature resistance
Aramid fabrics can maintain stable performance in high temperature environments. Generally speaking, it can be used for a long time in high temperature environments of 200℃-300℃. For example, in the manufacture of firefighting suits, aramid fabrics can withstand the high temperatures in the fire scene and effectively protect firefighters from direct damage from the flames. At the same time, in industrial high-temperature environments, such as protective equipment near steel smelting and chemical reactors, aramid fabrics can also play their high-temperature resistant properties to ensure the safety of operators.
3. Flame retardancy
Aramid fabrics have good flame retardant properties and are not easy to burn even when exposed to flames. Its limiting oxygen index (LOI) is high, generally between 28-32, which means that a higher concentration of oxygen is required in the air to make it burn. When the flame is removed, the aramid fabric can quickly extinguish itself and will not continue to burn like some ordinary fabrics, thereby reducing the risk of fire spread. This flame retardant property makes aramid fabrics widely used in building interiors, vehicle interiors and other fields to improve fire safety.
4. Chemical stability
Aramid fabrics have good tolerance to most chemicals. It can resist corrosion from acids, alkalis, organic solvents, etc. In the chemical industry, protective work clothes made of aramid fabrics can protect workers from chemical liquids. At the same time, in some harsh chemical environments, such as oil extraction, sewage treatment and other places, aramid fabrics can also maintain their performance and extend their service life.
5. Wear resistance
Aramid fabric has a tough surface and good wear resistance. Its fibers are not easy to break and wear under frequent friction. For example, when making industrial conveyor belts and friction materials, aramid fabrics can withstand long-term friction, reduce material loss, and increase the service life of equipment. In outdoor equipment such as climbing ropes and tents, the wear resistance of aramid fabrics can also ensure that the equipment is durable in complex outdoor environments.
6. Electrical insulation
Aramid fabric has good electrical insulation properties and can effectively prevent the conduction of current. This feature makes it widely used in the protection of electrical equipment, the coating of wires and cables, and other fields. For example, in the protective clothing of substation workers, aramid fabrics can prevent workers from accidental electric shock and improve work safety.
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