HTS 4002.31.00 duty rate
Isobutene-isoprene (butyl) rubber (IIR). General duty Free; for goods of Chinese origin, general + Section 301 (+25%) comes to 25% before any other duties.
| Tariff line | 4002.31.00 |
|---|---|
| Description | Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 4001 with any product of this heading, in primary forms or in plates, sheets or strip: › Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR): › Isobutene-isoprene (butyl) rubber (IIR) |
| General rate | Free |
| Special rate (trade programs) | none listed |
| Column 2 rate | 20% |
| Units of quantity | kg |
| Section 301 (China) | List 3 +25% |
| Footnotes | See 9903.90.08. |
Section 301 China tariffs on this line
| Chapter 99 heading | List | Extra duty | Status |
|---|---|---|---|
| 9903.88.03 | List 3 | +25% | in effect |
2026 US–China tariff reduction lists: The US–China reduction lists are not published yet. Dutyfinch checks the Federal Register every day and flags each code as soon as the list appears.
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Nearby tariff lines
4002.11.00 · 4002.19.00 · 4002.20.00 · 4002.39.00 · 4002.41.00 · 4002.49.00 · 4002.51.00 · 4002.59.00 · 4002.60.00 · 4002.70.00 · 4002.80.00 · 4002.91.00 · 4002.99.00
← 4002.20.00 · 4002.39.00 → · Heading 4002 · Chapter 40 · Chapter 40 rate summary
General information from the official US Harmonized Tariff Schedule (USITC) and Federal Register; not legal or customs advice. Section 232, IEEPA, antidumping/countervailing and other duties can also apply. Confirm classification and rates with CBP or a licensed customs broker before you file.