3910 00 00 00

Code

3910 00 00 00

Type

10-digit tariff line

Duty rate

3%

Unit

kg

Classification rulings (U.S. Customs, CROSS)

• N359943 · 2026-04-02 — The tariff classification of silicone grease from Canada

  The product under consideration is Item 501-00001-000.A1-Grease, Cable, Headband. The product is a silicone grease described as a translucent, hydrophobic, silicone dielectric compound. It is composed of over 90 percent poly(dimethyl siloxane) with silicon dioxide filler and other stabilizing additives. The product is used to seal, waterproof, lubricate, and insulate both indoor and outdoor electrical connections. The applicable subheading for the silicone grease will be 3910.00.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for silicones in primary forms. The…

• N359379 · 2026-03-26 — The tariff classification of silicone paste from Germany

  The product under consideration is referred to as Otoform AK. The product is a silicone paste. It is packaged ready to use and packaged for direct sale. It will be used to take individual ear impressions of the external auditory canal and the ear concha for the production of ear molds. The applicable subheading for the silicone paste will be 3910.00.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for silicones in primary forms. The general rate of duty will be 3 percent ad valorem. In your submission you requested consideration of a secondary classification under…

• N327310 · 2022-08-10 — The tariff classification of silicone resin bead powder from Taiwan

  GW-201NE-T and GW-504NE-T are composed of 100 percent polymethylsilsesquioxane (CAS No. 68554-70-1. The products are white silicone resin bead powders. The only difference between the two products are the micron size of the beads. GW-201NE-T is a two-micron bead and GW-504NE-T is a five-micron bead. The powders are used as an additive in plastics to change the optical properties. The applicable subheading for the silicone resin bead powder will be 3910.00.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for silicones in primary forms. The general rate of duty will…

• N326189 · 2022-06-02 — The tariff classification and country of origin of bulk polydimethylsiloxane

  The product under consideration is described as polydimethylsiloxane. It is composed of a mixture of linear and cyclic siloxanes. The final product contains no solvent or additives. The applicable subheading for the polydimethylsiloxane will be 3910.00.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for silicones in primary forms. The general rate of duty will be 3 percent ad valorem. You also requested a determination regarding the country of origin. In your documentation and subsequent conference call you described the process. Polydimethylsiloxane will be…

• N308628 · 2020-01-16 — The tariff classification of silicone gel cleaner from China

  The product in question is described as stylus gel cleaner. It consists of 100 percent silicone gel in a plastic container. The product is marketed for cleaning the dust from a turntable stylus needle. The turntable stylus needle is dipped into the silicone gel. As the needle is lifted from the silicone gel, all dust and particles are left behind in the gel. The applicable subheading for the silicone gel cleaner will be 3910.00.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for silicones in primary forms. The general rate of duty will be 3 percent ad valorem.…

• 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 esters and other polyesters, in primary forms:
• 3908 — Polyamides in primary forms:
• 3909 — Amino-resins, phenolic resins and polyurethanes, in primary forms:
• 3911 — Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere…
• 3912 — Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms:
• 3913 — Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not…
• 391400 — Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms:
• 3915 — Waste, parings and scrap, of plastics:
• 3916 — Monofilament of which any cross-sectional dimension exceeds 1 mm, rods, sticks and profile shapes, whether or not surface-worked but not otherwise worked, of…
• 3917 — Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics:
• 3918 — Floor coverings of plastics, whether or not self-adhesive, in rolls or in the form of tiles; wall or ceiling coverings of plastics, as defined in note 9 to…
• 3919 — Self-adhesive plates, sheets, film, foil, tape, strip and other flat shapes, of plastics, whether or not in rolls:
• 3920 — Other plates, sheets, film, foil and strip, of plastics, noncellular and not reinforced, laminated, supported or similarly combined with other materials:
• 3921 — Other plates, sheets, film, foil and strip, of plastics:
• 3922 — Baths, shower baths, sinks, washbasins, bidets, lavatory pans, seats and covers, flushing cisterns and similar sanitary ware, of plastics:
• 3923 — Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics:
• 3924 — Tableware, kitchenware, other household articles and hygienic or toilet articles, of plastics:
• 3925 — Builders' ware of plastics, not elsewhere specified or included:
• 3926 — Other articles of plastics and articles of other materials of headings 3901 to 3914:

• 3910 — ТН ВЭД ЕАЭС: Силиконы в первичных формах
• 3910 — EU CN/TARIC: Silicones in primary forms

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