Kevlar® aramid fiber was developed by DuPont scientists researching liquid crystalline polymer solutions. It is lightweight and flexible with a unique combination of high strength, high modulus, toughness and thermal stability. Fibers of Kevlar® consist of long molecular chains produced from poly-paraphenylene terephthalamide. The chains are highly oriented with strong interchain bonding.
Its resistance to chemicals and temperature extremes make it an ideal component for ropes under sever loads in harsh environments, from the bottom of the ocean to the surface of Mars. Ropes made with Kevlar® fiber come in a variety of constructions and have been strength rated up to 1500 tons.
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