Paracord was originally commissioned by the US military during World War II to be used as a parachute suspension lines and utility purposes. It was engineered to be stronger, lighter, and less elastic. Because people’s lives literally depend on this rope, military paracord must undergo a certain certification to be acceptable for use.
You can buy these days paracord such as Mil-Spec 550 Type III paracord. People who work with ropes, especially paracord, use terms that may be unfamiliar to us all. Use this list as a glossary.
A nylon rope kernmantle previously used in a military parachute. It is now used for survival craft and various hobbies.
True paracord is made of nylon, giving greater power to weight. Nylon is very elastic and resistant to rot, mildew, and UV rays.
Similar to nylon, but is faster drying, less powerful, and less elastic. Paracord cheap imitations are often made of polyester.
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Paracord that lives up to military specifications 5040, said Mil-Spec. Many brands paracord will claim to sell Mil-Spec, but not sell certified true military paracord.
It is a document that specifies the requirements for military paracord. You can read a PDF copy here or read the summary in this blog.
A paracord core will consist of between 1-11 threads, each of which consists of 2-3 small strands, each of which is composed of many individual nylon fibers.
STRETCH / Elongation
The length of the rope can be pulled, and then after it was returned to its original length. Paracord must have at least 30% elongation.