Nylon 6


:   Poly(aminohexanoic acid)

Cas Number

:   25038-54-4

HS Code

:   390810




Basic Info

Appearance Name

:   Opaque Milky White

Common Names

:   Polycaprolactam, Polyamide 6, PA6, Poly-ε-caproamide


: 25kg/bag

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Technical Document

Brief Overview

Nylon 6 is a synthetic polyamide material that is widely used in various industries due to its exceptional strength, durability, and versatility. It is made by polymerizing 6-aminohexanoic acid, which forms a repeating unit in the polymer chain. Nylon 6 is known for its excellent resistance to abrasion, chemicals, and UV radiation, and it also has low moisture absorption. These properties make it useful in a wide range of applications such as gears, bearings, machine parts, ropes, fishing nets, and outdoor fabrics. Nylon 6 can be blended with other materials to create composites with unique properties, or it can be used as a feedstock for 3D printing. Overall, Nylon 6 is a highly valued material due to its strength, durability, and versatility, making it a popular choice for many industrial and commercial applications.

Manufacturing Process

  1. Polymerization: The first step is the polymerization of caprolactam. This is achieved by heating the caprolactam to around 270-280°C in the presence of a catalyst. This causes the caprolactam molecules to react with each other, forming long chains of Nylon 6.

  2. Extrusion: The Nylon 6 polymer is then extruded through a spinneret to form long fibers. The spinneret is a small device that has numerous holes in it, and the polymer is forced through these holes to create the fibers.

  3. Drawing: The extruded fibers are then stretched or "drawn" to align the polymer chains in the fibers. This increases the strength and durability of the nylon.

  4. Heat Setting: The drawn fibers are then heat set, or annealed, by heating them to around 200°C for a period of time. This process helps to stabilize the fibers and prevent them from shrinking or stretching.

  5. Cutting and Spinning: The heat-set fibers are then cut into shorter lengths and spun into yarns. These yarns can be further processed into a variety of different products, such as textiles, carpets, and industrial fibers.

  1. Textiles: Nylon 6 fibers are used to make fabrics that are used in clothing, hosiery, lingerie, and swimwear. It is lightweight, strong, and resists wrinkles, making it an ideal fabric for everyday use.

  2. Carpeting: Nylon 6 fibers are used to make carpeting that is durable, easy to clean, and stain-resistant. It is commonly used in commercial and residential settings.

  3. Automotive parts: Nylon 6 is used to make a variety of automotive parts, such as fuel lines, brake parts, and engine components. Its high strength, heat resistance, and chemical resistance make it a popular choice in the automotive industry.

  4. Packaging: Nylon 6 is used to make packaging films, bags, and containers due to its excellent barrier properties and toughness.

  5. Electrical and electronics: Nylon 6 is used to make electrical and electronic components, such as cable insulation, switches, and connectors, due to its high dielectric strength and thermal stability.

  6. Sports equipment: Nylon 6 is used to make a variety of sports equipment, such as tennis strings, fishing lines, and climbing ropes, due to its high strength, durability, and resistance to abrasion.

  7. Industrial applications: Nylon 6 is used in a variety of industrial applications, such as conveyor belts, gears, bearings, and machine parts, due to its high strength, chemical resistance, and low friction coefficient.

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