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    Nylon 66

    Nylon 66 in Tradeasia

    IUPAC Name


    Cas Number


    HS Code




    Basic Info


    Opaque Milky White

    Common Names



    25 Kg Bag

    Brief Overview

    Nylon 66 is a synthetic polymer made from the combination of two monomers, adipic acid and hexamethylenediamine. The polymer has a repeating unit of (NH-(CH2)6-NH-CO-(CH2)4-CO-), which gives Nylon 66 its unique properties of high strength, durability, and thermal stability. It is used in a wide range of applications, such as automotive parts, electrical and electronic components, textiles, and industrial products, due to its ability to withstand heat, chemicals, and abrasion. Nylon 66 is a versatile material that can be processed into different forms, including fibers, films, and molded parts, making it suitable for a variety of applications.

    Manufacturing Process

    1. Polymerization: The first step is the polymerization of the two monomers, adipic acid and hexamethylenediamine. The monomers are heated to around 280-300°C in the presence of a catalyst to form Nylon 66 polymer.

    2. Filtration: The Nylon 66 polymer is then filtered to remove any impurities that may have formed during the polymerization process.

    3. Extrusion: The filtered Nylon 66 polymer is then melted and extruded through a spinneret to form long fibers. The spinneret has small holes through which the polymer is forced to form the fibers.

    4. Drawing: The extruded fibers are then stretched or "drawn" to align the polymer chains and increase their strength and durability.

    5. 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.

    6. 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. Automotive parts: Nylon 66 is commonly used in the manufacturing of automotive parts such as engine covers, fuel lines, air intake manifolds, and radiator end tanks due to its high strength, stiffness, and resistance to heat and chemicals.

    2. Electrical and electronic components: Nylon 66 is used to manufacture electrical and electronic components such as connectors, circuit breakers, switches, and cable ties due to its excellent electrical properties, durability, and resistance to heat.

    3. Textiles: Nylon 66 fibers are used in the production of clothing, hosiery, and other textiles due to their strength, abrasion resistance, and ability to retain their shape.

    4. Industrial products: Nylon 66 is used in various industrial products such as gears, bearings, conveyor belts, and hoses due to its excellent mechanical properties, chemical resistance, and durability.

    5. Consumer goods: Nylon 66 is used in the manufacturing of consumer goods such as luggage, sporting goods, and toys due to its lightweight, toughness, and resistance to abrasion.

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