Amino-resins; n.e.c. in heading no. 3909, in primary forms, poly(methylene phenyl isocyanate) (Crude MDI, polymeric MDI)

HS v2022 Code: 390931

About amino-resins; n.e.c. in heading no. 3909, in primary forms, poly(methylene phenyl isocyanate) (crude mdi, polymeric mdi)

HS code 390931 covers a class of synthetic resins known as amino-resins, specifically poly(methylene phenyl isocyanate), also referred to as Crude MDI or polymeric MDI. These materials are widely used in the production of polyurethane foams, coatings, and adhesives, making them an essential component in various industries, from construction and automotive to furniture and consumer goods.

Production process

Amino-resins under HS code 390931 are typically produced through the polymerization of methylene diphenyl diisocyanate (MDI) monomers. This process involves the reaction of methylene diphenyl diisocyanate with other compounds, such as polyols, to form a range of polyurethane products. The specific production techniques may vary depending on the desired properties and applications of the final product.

Production inputs

The main inputs required for the production of amino-resins under HS code 390931 include methylene diphenyl diisocyanate (MDI) as the primary raw material, as well as various polyols, catalysts, and other additives. Additionally, specialized production equipment, such as reactors, mixing tanks, and extrusion or molding machines, are necessary to facilitate the polymerization and shaping of the final products.

Production outputs

The primary outputs of the amino-resins industry under HS code 390931 are polyurethane foams, coatings, and adhesives. These materials are then consumed by a wide range of downstream industries, including 441120 Wood-Plastic Composites, 940320 Metal Furniture, 870323 Motor Vehicles, and 940190 Furniture Parts.

Revisions to 390931

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 390931. The most recent 1 version of this code (390931) is in the HS v2022 system (this version):

This page shows the most recent version of code 390931.

Family tree for amino-resins; n.e.c. in heading no. 3909, in primary forms, poly(methylene phenyl isocyanate) (crude mdi, polymeric mdi)

    graph LR
    A["<a href='/classifications/hs/v2022/39'>39: Plastics and articles thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/3909'>3909: Amino-resins, phenolic resins and polyurethanes, in primary forms</a>"]
B --> C["<a href='/classifications/hs/v2022/390931'>390931: Amino-resins; n.e.c. in heading no. 3909, in primary forms, poly(methylene phenyl isocyanate) (Crude MDI, polymeric MDI)</a>"]

    B --> D["<a href='/classifications/hs/v2022/390910'>390910: Amino-resins; urea and thiourea resins, in primary forms</a>"]
B --> E["<a href='/classifications/hs/v2022/390920'>390920: Amino-resins; melamine resins, in primary forms</a>"]
B --> F["<a href='/classifications/hs/v2022/390939'>390939: Amino-resins; n.e.c. in heading no. 3909, in primary forms, other than poly(methylene phenyl isocyanate) (Crude MDI, polymeric MDI)</a>"]
B --> G["<a href='/classifications/hs/v2022/390940'>390940: Phenolic resins; in primary forms</a>"]
B --> H["<a href='/classifications/hs/v2022/390950'>390950: Polyurethanes; in primary forms</a>"]

    

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