Polyamides in primary forms
HS v2017 Code: 3908
About polyamides in primary forms
HS code 3908 covers polyamides in primary forms, which are a class of synthetic polymers widely used in various industries. Polyamides, also known as nylons, are known for their exceptional strength, durability, and resistance to chemicals and heat. They play a crucial role in the production of a wide range of products, from textiles and automotive components to engineering plastics and industrial equipment, making them an essential part of the global economy.
Production process
The production of polyamides in primary forms typically involves a process called polycondensation. This process involves the reaction of dicarboxylic acids or their derivatives with diamines, resulting in the formation of long polymer chains. The specific production techniques may vary depending on the type of polyamide being manufactured, but the general process often includes steps such as monomer preparation, polymerization, and extrusion or pelletization to obtain the final polyamide product.
Production inputs
The main inputs required for the production of polyamides in primary forms include various raw materials, such as 2917 Polycarboxylic acids, 2921 Amine-function compounds, and other specialty chemicals. Additionally, the industry relies on specialized machinery and equipment, such as reactors, extruders, and pelletizers, to facilitate the production process. Energy sources, such as electricity and steam, are also crucial inputs for the manufacturing of polyamides.
Production outputs
The primary outputs of the polyamides in primary forms industry are the various types of polyamide resins, which are then used as inputs for a wide range of downstream industries. These polyamide resins can be further processed and transformed into a variety of products, including 5501 Synthetic filament tow, 5402 Synthetic filament yarn, and 3916 Monofilament, among others. The versatility of polyamides makes them an essential material for industries such as textiles, automotive, electronics, and construction.
Family tree for polyamides in primary forms
graph LR
A["<a href='/classifications/hs/v2017/39'>39: Plastics and articles thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/3908'>3908: Polyamides in primary forms</a>"]
A --> C["<a href='/classifications/hs/v2017/3901'>3901: Polymers of ethylene, in primary forms</a>"]
A --> D["<a href='/classifications/hs/v2017/3902'>3902: Polymers of propylene or of other olefins, in primary forms</a>"]
A --> E["<a href='/classifications/hs/v2017/3903'>3903: Polymers of styrene, in primary forms</a>"]
A --> F["<a href='/classifications/hs/v2017/3904'>3904: Polymers of vinyl chloride or of other halogenated olefins, in primary forms</a>"]
A --> G["<a href='/classifications/hs/v2017/3905'>3905: Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms</a>"]
A --> H["<a href='/classifications/hs/v2017/3906'>3906: Acrylic polymers in primary forms</a>"]
A --> I["<a href='/classifications/hs/v2017/3907'>3907: Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms</a>"]
A --> J["<a href='/classifications/hs/v2017/3909'>3909: Amino-resins, phenolic resins and polyurethanes, in primary forms</a>"]
A --> K["<a href='/classifications/hs/v2017/3910'>3910: Silicones in primary forms</a>"]
A --> L["<a href='/classifications/hs/v2017/3911'>3911: Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and similar products of chemical synthesis n.e.c. in chapter 39, in primary forms</a>"]
A --> M["<a href='/classifications/hs/v2017/3912'>3912: Cellulose and its chemical derivatives, n.e.c. or included, in primary forms</a>"]
A --> N["<a href='/classifications/hs/v2017/3913'>3913: Natural polymers (e.g. alginic acid) and modified natural polymers (e.g. hardened proteins, chemical derivatives of natural rubber), n.e.c. or included, in primary forms</a>"]
A --> O["<a href='/classifications/hs/v2017/3914'>3914: Ion-exchangers; based on polymers of heading no. 3901 to 3913, in primary forms</a>"]
A --> P["<a href='/classifications/hs/v2017/3915'>3915: Waste, parings and scrap, of plastics</a>"]
A --> Q["<a href='/classifications/hs/v2017/3916'>3916: Monofilament of which any cross-sectional dimension exceeds 1mm, rods, sticks and profile shapes, whether or not surface-worked but not otherwise worked, of plastics</a>"]
A --> R["<a href='/classifications/hs/v2017/3917'>3917: Tubes, pipes and hoses and fittings thereof (for example, joints, elbows, flanges), of plastics</a>"]
A --> S["<a href='/classifications/hs/v2017/3918'>3918: Floor coverings of plastics, self-adhesive or not, in rolls or tiles; wall or ceiling coverings of plastics, in rolls of a width not less than 45cm</a>"]
A --> T["<a href='/classifications/hs/v2017/3919'>3919: Self-adhesive plates, sheets, film, foil, tape, strip and other flat shapes, of plastics, whether or not in rolls</a>"]
A --> U["<a href='/classifications/hs/v2017/3920'>3920: Plastics; plates, sheets, film, foil and strip (not self-adhesive); non-cellular and not reinforced, laminated, supported or similarly combined with other materials, n.e.c. in chapter 39</a>"]
A --> V["<a href='/classifications/hs/v2017/3921'>3921: Plastic plates, sheets, film, foil and strip n.e.c. in chapter 39</a>"]
A --> W["<a href='/classifications/hs/v2017/3922'>3922: Sanitary ware; baths, shower-baths, sinks, wash-basins, bidets, lavatory pans, seats and covers, flushing cisterns and sanitary ware, of plastics</a>"]
A --> X["<a href='/classifications/hs/v2017/3923'>3923: Plastic articles for the conveyance or packing of goods; stoppers, lids, caps and other closures of plastics</a>"]
A --> Y["<a href='/classifications/hs/v2017/3924'>3924: Tableware, kitchenware, other household articles and hygienic or toilet articles, of plastics</a>"]
A --> Z["<a href='/classifications/hs/v2017/3925'>3925: Plastics; builders' wares n.e.c. or included</a>"]
A --> BA["<a href='/classifications/hs/v2017/3926'>3926: Articles of plastics and articles of other materials of heading no. 3901 to 3914, n.e.c. in chapter 39</a>"]
B --> BB["<a href='/classifications/hs/v2017/390810'>390810: Polyamides; polyamide-6, -11, -12, -6,6, -6,9, -6,10 or -6,12, in primary forms</a>"]
B --> BC["<a href='/classifications/hs/v2017/390890'>390890: Polyamides; n.e.c. in heading no. 3908, in primary forms</a>"]
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