What Are The Excellent Properties Of Aramid Fiber?
It has excellent properties such as ultra-high strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, insulation, anti-aging, long life cycle, stable chemical structure, no droplets during combustion, and no toxic gas.
Para-aramid has higher temperature resistance than meta-aramid. The continuous use temperature range is -196~204℃, and it does not decompose or melt at high temperatures of 560℃. The most notable features of para-aramid are ultra-high strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and other excellent properties. Its strength is greater than 25 g/denier, which is 5 to 6 times that of high-quality steel and glass fiber. It is 3 times that of high-strength nylon industrial yarn; its modulus is 2 to 3 times that of high-quality steel or glass fiber, and 10 times that of high-strength nylon industrial yarn; its toughness is 2 times that of steel wire, and its weight is only about 1/5 of steel wire. It has Good insulation and anti-aging properties, long life cycle.
good mechanical properties
Meta-aramid is a flexible polymer with higher breaking strength than ordinary polyester, cotton, nylon, etc., larger elongation, soft hand feel, and good spinnability. It can be produced into short fibers and filaments of different sizes and lengths. , different yarn counts are made into fabrics and non-woven fabrics through general textile machinery, and after finishing, they meet the requirements of protective clothing in different fields.
Aramid fiber has excellent flame retardant and heat resistance properties
Meta-aramid has a limiting oxygen index (LOI) greater than 28, so it will not continue to burn when leaving the flame. The flame retardant properties of meta-aramid are determined by its own chemical structure, so it is a permanent flame retardant fiber that will not reduce or lose its flame retardant properties due to use time and number of washings. Meta-aramid has good thermal stability, can be used continuously at 205°C, and can still maintain high strength at high temperatures above 205°C. Meta-aramid has a high decomposition temperature and will not melt or drip under high temperature conditions. Carbonization will begin when the temperature is greater than 370°C.
Aramid fiber has stable chemical properties
Meta-aramid has excellent corrosion resistance to most chemicals, can withstand most high-concentration inorganic acids, and has good alkali resistance at room temperature.
Radiation resistance of aramid fiber
Meta-aramid has excellent radiation resistance. For example, under long-term exposure to 1.2×10-2w/in2 ultraviolet rays and 1.72×108rads gamma rays, their intensity remains unchanged.
Aramid fiber durability
Meta-aramid has excellent friction and chemical resistance. After 100 times of washing, the tear strength of fabrics processed with Newstar® meta-aramid can still reach more than 85% of the original strength.
