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Parachute cord (also paracord or 550 cord when referring to type-III paracord) is a lightweight nylon kernmantle rope originally used in the suspension lines of parachutes. This cord is now used as a general purpose utility cord. This versatile cord was used by astronauts during the 82nd Space Shuttle mission to repair the Hubble Space ...
Webbing is cut with a hot wire as is nylon rope, which prevents fraying and unravelling. However, when webbing does fray and unravel, the result is less disastrous than with rope, providing a modest advantage. Webbing suffers the drawback of less elasticity than perlon rope, and it may be more difficult to handle with gloves or mittens on. [4 ...
Nylon 66 can also be produced at laboratory scale in this way. Representative procedures and equipment lists for conducting the nylon rope trick demonstration are available in literature procedures. [2] The nylon rope trick was developed as a scientific demonstration by American chemist Stephanie Kwolek, who later invented Kevlar aramid. [3]
Parachute cord (also paracord or 550 cord when referring to type-III paracord) is a lightweight nylon kernmantle rope originally used in the suspension lines of parachutes. This cord is useful for many other tasks and is now used as a general purpose utility cord by both military personnel and civilians.
Nylon is clear and colorless, or milky, but is easily dyed. Multistranded nylon cord and rope is slippery and tends to unravel. The ends can be melted and fused with a heat source such as a flame or electrode to prevent this. Nylons are hygroscopic and will absorb or desorb moisture as a function of the ambient humidity.
Nylon is strong, with a tenacity of 6.5 to 9 g/D (gram per denier), durable and sinks. The specific gravity (SG) is 1.14. Negative buoyancy is considered a desirable feature for some applications, where a line that sinks to the bottom is easier to find than one which may float up to the overhead if dislodged from tie-offs. [ 4 ]
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