HS code 3913: Natural polymers (e.g. alginic acid) and modified natural polymers…

Subheadings of 3913 (6 digits)

• 3913.10 Polymers, natural; alginic acid, its salts and esters, in primary forms
• 3913.90 Polymers, natural and modified natural; in primary forms (excluding alginic acid, its salts and esters)

Pick the subheading that describes your product. A subheading marked “n.e.c.” (not elsewhere classified) or “other” covers only what the subheadings before it do not. Click a code to copy it.

Confirm the full code and the duty rate

The first 6 digits are the same in every country that uses HS 2022. Each country adds 2–4 more digits and sets the duty in its own tariff, and the section and chapter notes can include or exclude products, so check the destination’s official tariff before you put the code on the invoice.

• United States (HTS)
• European Union (TARIC)
• United Kingdom
• China
• India (ICEGATE)
• Vietnam
• Korea (Republic of)
• Japan
• Brazil
• Canada
• Australia
• South Africa

Search HS codes by product name →

Other headings in chapter 39

• 3901 Polymers of ethylene, in primary forms
• 3902 Polymers of propylene or of other olefins, in primary forms
• 3903 Polymers of styrene, in primary forms
• 3904 Polymers of vinyl chloride or of other halogenated olefins, in primary forms
• 3905 Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms
• 3906 Acrylic polymers in primary forms
• 3907 Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl…
• 3908 Polyamides in primary forms
• 3909 Amino-resins, phenolic resins and polyurethanes, in primary forms
• 3910 Silicones in primary forms
• 3911 Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and similar products of…
• 3912 Cellulose and its chemical derivatives, n.e.c. or included, in primary forms
• 3914 Ion-exchangers; based on polymers of heading no. 3901 to 3913, in primary forms
• 3915 Waste, parings and scrap, of plastics
• 3916 Monofilament of which any cross-sectional dimension exceeds 1mm, rods, sticks and profile shapes, whether or…
• 3917 Tubes, pipes and hoses and fittings thereof (for example, joints, elbows, flanges), of plastics
• 3918 Floor coverings of plastics, self-adhesive or not, in rolls or tiles; wall or ceiling coverings of plastics…
• 3919 Self-adhesive plates, sheets, film, foil, tape, strip and other flat shapes, of plastics, whether or not in…
• 3920 Plastics; plates, sheets, film, foil and strip (not self-adhesive); non-cellular and not reinforced…
• 3921 Plastic plates, sheets, film, foil and strip n.e.c. in chapter 39
• 3922 Sanitary ware; baths, shower-baths, sinks, wash-basins, bidets, lavatory pans, seats and covers, flushing…
• 3923 Plastic articles for the conveyance or packing of goods; stoppers, lids, caps and other closures of plastics
• 3924 Tableware, kitchenware, other household articles and hygienic or toilet articles, of plastics
• 3925 Plastics; builders' wares n.e.c. or included
• 3926 Articles of plastics and articles of other materials of heading no. 3901 to 3914, n.e.c. in chapter 39