Plastics · 15 court cases · $242.2M monthly imports · 100% from 1 countries · Updated daily from USITC
General
Free
Special
Free
Column 2
Free
Trade Agreement Eligibility
Monthly Imports
$242.2M
2026-01
Trade Concentration
100%
from top 3 of 1 origins
Regulatory Pressure
HIGH
3 rulings — · 0 reg · 12 CIT, 3 CAFC (15 recent)
Global Rates
🇺🇸 Free
🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A
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Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, CourtListener · As of 2026-04-28 · Updates monthly
This code has elevated regulatory activity — 3 CBP rulings (0 in last 2 years, trend: stable), 0 pending Federal Register actions, and 15 CIT/CAFC cases.
100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.
This is a high-volume import code — $242M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.
List 2 — ~$16B of Chinese goods (semiconductors, chemicals, plastics)
Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.
Effective 2018-07-06
These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →
| Code | Description | Rate |
|---|---|---|
| 3921.11.00.00 | Of polymers of styrene | 5.3% |
| 3921.12 | Of polymers of vinyl chloride: | — |
| 3921.12.11.00 | Over 70 percent by weight of plastics | 4.2% |
| 3921.12.15.00 | Other (229) | 6.5% |
| 3921.12.19 | Other | 5.3% |
| 3921.12.19.10 | Products with textile components in which vegetable fibers predominate by weight over any other single textile fiber | — |
| 3921.12.19.50 | Other | — |
| 3921.12.50.00 | Other | 6.5% |
| 3921.13 | Of polyurethanes: | — |
| 3921.13.11.00 | Over 70 percent by weight of plastics | 4.2% |
| 3921.13.15.00 | Other (229) | 6.5% |
| 3921.13.19 | Other | 5.3% |
| 3921.13.19.10 | Products with textile components in which vegetable fibers predominate by weight over any other single textile fiber | — |
| 3921.13.19.50 | Other | — |
| 3921.13.50.00 | Other | 4.2% |
| 3921.14.00.00 | Of regenerated cellulose | 6.5% |
| 3921.19.00 | Of other plastics | 6.5% |
| 3921.19.00.10 | Microporous sheets of polyethylene or polypropylene film | — |
| 3921.19.00.90 | Other | — |
| 3921.90 | Other: | — |
| 3921.90.11.00 | Over 70 percent by weight of plastics | 4.2% |
| 3921.90.15.00 | Other (229) | 6.5% |
| 3921.90.19 | Other | 5.3% |
| 3921.90.19.10 | Products with textile components in which vegetable fibers predominate by weight over any other single textile fiber | — |
| 3921.90.19.50 | Other | — |
| 3921.90.21.00 | Products with textile components in which cotton predominates by weight over any other single textile fiber | 6.5% |
| 3921.90.25 | Products with textile components in which man-made fibers predominate by weight over any other single textile fiber | 6.5% |
| 3921.90.25.10 | Over 70 percent by weight of plastics | — |
| 3921.90.25.50 | Other (229) | — |
| 3921.90.29.00 | Other | 4.4% |
| 3921.90.40 | Flexible | 4.2% |
| 3921.90.40.10 | Reinforced with paper | — |
| 3921.90.40.90 | Other | — |
| 3921.90.50 | Other | 4.8% |
| 3921.90.50.10 | High pressure paper reinforced decorative laminates | — |
| 3921.90.50.50 | Other | — |
PLATES,SHEETS,FILM,FOIL & STRIP,CELLULAR,OF POLYMERS OF STYRENE
Census Bureau export classification matching this HTS import code.
