Nylon is the commercial name for a type of polyamide thermoplastic. It was first developed by DuPont™ engineers in the mid-1930s as a more cost-effective and easy-to-manufacture alternative to silk. It is used in apparel manufacture, rubber reinforcement, car part manufacture, food packaging, and much more.
During WWII it was widely used to replace increasingly expensive silk in parachutes and military apparel. After the war, and because of a shortage of both silk and nylon, these parachutes were recycled by apparel companies to make highly fashionable dresses and garments.
Nylon 6 & 66 are both synthetic polymers called polyamides, with the numbers describing the type and quantity of polymer chains in their chemical structure. Most nylons, including 6 & 66, are semi-crystalline and maintain good strength and durability for demanding applications.
During WWII it was widely used to replace increasingly expensive silk in parachutes and military apparel. After the war, and because of a shortage of both silk and nylon, these parachutes were recycled by apparel companies to make highly fashionable dresses and garments.
Nylon 6 & 66 are both synthetic polymers called polyamides, with the numbers describing the type and quantity of polymer chains in their chemical structure. Most nylons, including 6 & 66, are semi-crystalline and maintain good strength and durability for demanding applications.
Properties | Value |
Tensile Strength (MPa) | 950 |
Elongation at Break | 19 |
Specific Gravity | 1.14 |

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