Polysulphides, polysulphones and similar products of chemical synthesis n.e.c. in chapter 39; in primary forms

HS v2022 Code: 391190

About polysulphides, polysulphones and similar products of chemical synthesis n.e.c. in chapter 39; in primary forms

HS code 391190 covers a diverse range of synthetic chemical products known as polysulphides, polysulphones, and similar compounds. These materials play a crucial role in various industries, from automotive and aerospace to electronics and construction. Their unique properties, such as high thermal and chemical resistance, make them indispensable in applications where durability and performance are paramount.

Production process

The production of polysulphides, polysulphones, and similar products typically involves complex chemical synthesis processes. These often start with the reaction of organic compounds, such as 29000 Organic Chemicals, with sulfur-containing reagents. The resulting polymers are then further processed, often through techniques like polymerization, to achieve the desired molecular structure and physical properties.

Production inputs

The main inputs required for the production of HS code 391190 products include a range of organic chemicals, sulfur-containing compounds, and specialized catalysts and reagents. Additionally, manufacturers may rely on advanced processing equipment, such as reactors, extruders, and molding machines, to shape the final products into their desired forms.

Production outputs

The outputs of HS code 391190 are diverse and find applications in a wide range of industries. These products are often used as engineering plastics, sealants, coatings, and adhesives, and can be further processed into components for 87000 Vehicles, 84000 Machinery, and 85000 Electrical Machinery. The versatility of these materials makes them an essential part of the global supply chain for many high-tech and industrial sectors.

Revisions to 391190

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 391190. The most recent 1 version of this code (391190) is in the HS v2022 system (this version):

This page shows the most recent version of code 391190.

Family tree for polysulphides, polysulphones and similar products of chemical synthesis n.e.c. in chapter 39; in primary forms

    graph LR
    A["<a href='/classifications/hs/v2022/39'>39: Plastics and articles thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/3911'>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>"]
B --> C["<a href='/classifications/hs/v2022/391190'>391190: Polysulphides, polysulphones and similar products of chemical synthesis n.e.c. in chapter 39; in primary forms</a>"]

    B --> D["<a href='/classifications/hs/v2022/391110'>391110: Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes; in primary forms</a>"]
B --> E["<a href='/classifications/hs/v2022/391120'>391120: Petroleum resins, poly(1,3-phenylene methylphosphonate), in primary forms</a>"]

    

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  %% Apply classes
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class C level6
class D level6
class E level6

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  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
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