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

HS v2022 Code: 390721

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

HS code 390721 covers polyethers, a class of polymers with a wide range of industrial applications. Polyethers are used in the production of various products, including plastics, foams, and coatings, making them an essential component of many manufacturing processes. This industry plays a crucial role in the broader chemical and materials sectors, contributing to the development of innovative and high-performance materials that support a diverse range of industries.

Production process

The production of polyethers typically involves the polymerization of ethylene oxide or other epoxide monomers. This process can be carried out using various catalysts and reaction conditions, such as anionic, cationic, or coordination polymerization. The specific techniques used may vary depending on the desired molecular weight, structure, and properties of the final polyether product.

Production inputs

The main inputs required for the production of polyethers include ethylene oxide or other epoxide monomers, catalysts, and various additives or modifiers. Specialized equipment, such as reactors, distillation columns, and drying systems, are also necessary for the efficient and controlled production of polyethers. Additionally, energy sources, such as electricity or steam, are required to power the manufacturing processes.

Production outputs

The primary output of HS code 390721 is bis(polyoxyethylene) methylphosphonate, a specific type of polyether. This material finds applications in various industries, including 390690 Polymers of other vinyl monomers, in primary forms, 340220 Surface-active preparations, whether or not containing soap; surface-active preparations and washing preparations, put up for retail sale, and 382490 Chemical products and preparations of the chemical or allied industries, not elsewhere specified or included. The versatility of polyethers allows them to be further processed and incorporated into a wide range of end-products, contributing to their importance in the broader chemical and materials sectors.

Revisions to 390721

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 390721. The most recent 1 version of this code (390721) is in the HS v2022 system (this version):

This page shows the most recent version of code 390721.

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

    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/v2022/390721'>390721: Polyethers other than polyacetals; in primary forms, bis(polyoxyethylene) methylphosphonate</a>"]

    B --> D["<a href='/classifications/hs/v2022/390710'>390710: Polyacetals; in primary forms</a>"]
B --> E["<a href='/classifications/hs/v2022/390729'>390729: Polyethers other than polyacetals, and bis(polyoxyethylene) methylphosphonate; in primary forms</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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class C level6
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class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
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  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
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  %% class C highlight