Heading 3909
HTS code 3909 — Amino-resins, phenolic resins and polyurethanes, in primary forms
- Chapter
- 39 — Plastics
- Tariff lines
- 8
- General duty
- General duty rates from 2.1% to 6.5%, with 1 duty-free line
Tariff lines under heading 3909
Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.
| HTS code | Description | General rate | Unit |
|---|---|---|---|
| 3909.10.0000 | Urea resins; thiourea resins (Amino-resins, phenolic resins and polyurethanes, in primary forms) | 6.5% | kg |
| 3909.20.0000 | Melamine resins (Amino-resins, phenolic resins and polyurethanes, in primary forms) | 6.5% | kg |
| 3909.31.0000 | Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI) (Amino-resins, phenolic resins and polyurethanes, in primary forms > Other amino-resins) | 6.5% | kg |
| 3909.39.0000 | Other (Amino-resins, phenolic resins and polyurethanes, in primary forms > Other amino-resins) | 6.5% | kg |
| 3909.40.0000 | Phenolic resins (Amino-resins, phenolic resins and polyurethanes, in primary forms) | 6.5% | kg |
| 3909.50.1000 | Elastomeric (Amino-resins, phenolic resins and polyurethanes, in primary forms > Polyurethanes) | Free | kg |
| 3909.50.2000 | Cements (Amino-resins, phenolic resins and polyurethanes, in primary forms > Polyurethanes) | 2.1% | kg |
| 3909.50.5000 | Other (Amino-resins, phenolic resins and polyurethanes, in primary forms > Polyurethanes) | 6.3% | kg |
Documents required to import under 3909
Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.
- Commercial InvoiceRequired
- Packing ListRequired
- Bill of Lading / Airway BillRequired
- CBP Entry Summary (7501)Required
Prepared and filed by your customs broker
- CBP Entry / Release (3461)Required
Prepared and filed by your customs broker
- Customs Bond (CBP 301)Conditional
Required for formal entries — generally shipments valued over $2,500
Single-entry or continuous bond, obtained through your broker or a surety
- Importer Security Filing (ISF "10+2")Conditional
Required for ocean freight only
Filed electronically at least 24 hours before loading at the foreign port
- Importer ID Input Record (CBP 5106)Conditional
Required to establish or update your importer-of-record number with CBP
One-time setup for a new importer; not filed per shipment
- Entry Manifest (CBP 7533)Conditional
Alternative to the 3461 for informal, low-value, or contiguous-country entries
Common questions
- What is HTS code 3909?
- HTS heading 3909 covers amino-resins, phenolic resins and polyurethanes, in primary forms. It sits in Chapter 39 (plastics) of the US Harmonized Tariff Schedule and contains 8 tariff lines.
- What is the duty rate for HTS 3909?
- General duty rates from 2.1% to 6.5%, with 1 duty-free line. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
- How many digits does a full HTS code have?
- US import entries require the full 10-digit HTS code. Heading 3909 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.
Related headings in Chapter 39
- 3901Polymers of ethylene, in primary forms
- 3902Polymers of propylene or of other olefins, in primary forms
- 3903Polymers of styrene, in primary forms
- 3904Polymers of vinyl chloride or of other halogenated olefins, in primary forms
- 3905Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms
- 3906Acrylic polymers in primary forms
- 3907Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms
- 3908Polyamides in primary forms