Polyethers other than polyacetals, and bis(polyoxyethylene) methylphosphonate; in primary forms

HS v2022 Code: 390729

About polyethers other than polyacetals, and bis(polyoxyethylene) methylphosphonate; in primary forms

HS code 390729 covers a range of polyether compounds, excluding polyacetals and bis(polyoxyethylene) methylphosphonate, in their primary forms. These polyethers have a wide array of applications across various industries, making them an integral part of the global chemical and plastics trade. Their versatility and unique properties make them essential raw materials for the production of a diverse range of consumer and industrial products.

Production process

Polyethers under HS code 390729 are typically produced through the polymerization of epoxides, such as ethylene oxide or propylene oxide, with the use of various initiators and catalysts. The specific production techniques can vary depending on the desired molecular weight, structure, and properties of the final polyether product. Common methods include anionic, cationic, and coordination polymerization, as well as the use of ring-opening polymerization techniques.

Production inputs

The main inputs required for the production of polyethers under HS code 390729 include the raw materials, such as epoxides, initiators, and catalysts. Additionally, specialized equipment and machinery, such as reactors, distillation columns, and drying systems, are necessary for the polymerization and purification processes. Energy sources, such as electricity or steam, are also crucial inputs for the manufacturing of these polyether compounds.

Production outputs

The polyethers produced under HS code 390729 find applications in a wide range of industries, including 390110 Polyethylene, linear, 390120 Polyethylene, other than linear, 390130 Ethylene-vinyl acetate copolymers, 390190 Polymers of ethylene, in primary forms, n.e.c., and 390690 Acrylic polymers in primary forms, n.e.c.. These polyethers are used as raw materials, additives, and intermediates in the production of various consumer and industrial products, such as plastics, adhesives, coatings, and personal care items.

Revisions to 390729

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 390729. The most recent 1 version of this code (390729) is in the HS v2022 system (this version):

This page shows the most recent version of code 390729.

Family tree for polyethers other than polyacetals, and bis(polyoxyethylene) methylphosphonate; in primary forms

    graph LR
    A["<a href='/classifications/hs/v2022/39'>39: Plastics and articles thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/3907'>3907: Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms</a>"]
B --> C["<a href='/classifications/hs/v2022/390729'>390729: Polyethers other than polyacetals, and bis(polyoxyethylene) methylphosphonate; in primary forms</a>"]

    B --> D["<a href='/classifications/hs/v2022/390710'>390710: Polyacetals; in primary forms</a>"]
B --> E["<a href='/classifications/hs/v2022/390721'>390721: Polyethers other than polyacetals; in primary forms, bis(polyoxyethylene) methylphosphonate</a>"]
B --> F["<a href='/classifications/hs/v2022/390730'>390730: Epoxide resins; in primary forms</a>"]
B --> G["<a href='/classifications/hs/v2022/390740'>390740: Polycarbonates; in primary forms</a>"]
B --> H["<a href='/classifications/hs/v2022/390750'>390750: Alkyd resins; in primary forms</a>"]
B --> I["<a href='/classifications/hs/v2022/390761'>390761: Poly(ethylene terephthalate); in primary forms, having a viscosity of 78ml/g or higher</a>"]
B --> J["<a href='/classifications/hs/v2022/390769'>390769: Poly(ethylene terephthalate); in primary forms, having a viscosity of less than 78ml/g</a>"]
B --> K["<a href='/classifications/hs/v2022/390770'>390770: Poly(lactic acid); in primary forms</a>"]
B --> L["<a href='/classifications/hs/v2022/390791'>390791: Polyesters; n.e.c. in heading no. 3907, unsaturated, in primary forms</a>"]
B --> M["<a href='/classifications/hs/v2022/390799'>390799: Polyesters; n.e.c. in heading no. 3907, saturated, in primary forms</a>"]

    

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