HTS heading 3921 · Chapter 39
HTS 3921: Other plates, sheets, film, foil and strip, of plastics
HTS heading 3921 covers other plates, sheets, film, foil and strip, of plastics. It has 19 tariff lines with a duty rate; the general (MFN) rates are 6.5% (8 lines), 4.2% (5 lines), 5.3% (4 lines) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| Cellular: | |||||
| 3921.11.00.00 | Of polymers of styrene[kg] | 5.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 80% | Estimate → |
| 3921.12 | Of polymers of vinyl chloride: | ||||
| Combined with textile materials: | |||||
| Products with textile components in which man-made fibers predominate by weight over any other single textile fiber: | |||||
| 3921.12.11.00 | Over 70 percent by weight of plastics[m2, kg] | 4.2% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 3921.12.15.00 | Other (229)[m2, kg] | 6.5% | Free (AU,B,BH,CL,CO,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 84.5% | Estimate → |
| 3921.12.19 | Other | 5.3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,J,JO,KR,MA,OM,P,PE,S,SG) | 40% | |
| 3921.12.19.10 | Products with textile components in which vegetable fibers predominate by weight over any other single textile fiber[m2, kg] | Estimate → | |||
| 3921.12.19.50 | Other[m2, kg] | Estimate → | |||
| 3921.12.50.00 | Other[kg] | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 50% | Estimate → |
| 3921.13 | Of polyurethanes: | ||||
| Combined with textile materials: | |||||
| Products with textile components in which man-made fibers predominate by weight over any other single textile fiber: | |||||
| 3921.13.11.00 | Over 70 percent by weight of plastics[m2, kg] | 4.2% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 3921.13.15.00 | Other (229)[m2, kg] | 6.5% | Free (AU,B,BH,CL,CO,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 84.5% | Estimate → |
| 3921.13.19 | Other | 5.3% | Free (A+,AU,B,BH,CL,CO,D,E*,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | |
| 3921.13.19.10 | Products with textile components in which vegetable fibers predominate by weight over any other single textile fiber[m2, kg] | Estimate → | |||
| 3921.13.19.50 | Other[m2, kg] | Estimate → | |||
| 3921.13.50.00 | Other[kg] | 4.2% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 3921.14.00.00 | Of regenerated cellulose[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 60% | Estimate → |
| 3921.19.00 | Of other plastics | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 50% | |
| 3921.19.00.10 | Microporous sheets of polyethylene or polypropylene film[kg] | Estimate → | |||
| 3921.19.00.90 | Other[kg] | Estimate → | |||
| 3921.90 | Other: | ||||
| Combined with textile materials and weighing not more than 1.492 kg/m2: | |||||
| Products with textile components in which man-made fibers predominate by weight over any other single textile fiber: | |||||
| 3921.90.11.00 | Over 70 percent by weight of plastics[m2, kg] | 4.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 3921.90.15.00 | Other (229)[m2, kg] | 6.5% | Free (AU,B,BH,CL,CO,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 84.5% | Estimate → |
| 3921.90.19 | Other | 5.3% | Free (A+,AU,B,BH,CL,CO,D,E*,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | |
| 3921.90.19.10 | Products with textile components in which vegetable fibers predominate by weight over any other single textile fiber[m2, kg] | Estimate → | |||
| 3921.90.19.50 | Other[m2, kg] | Estimate → | |||
| Combined with textile materials and weighing more than 1.492 kg/m2: | |||||
| 3921.90.21.00 | Products with textile components in which cotton predominates by weight over any other single textile fiber[m2, kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E*,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | Estimate → |
| 3921.90.25 | Products with textile components in which man-made fibers predominate by weight over any other single textile fiber | 6.5% | Free (AU,BH,CL,E*,IL,J*,JO,KR,MA,OM,P,PE,S,SG) | 83.5% | |
| 3921.90.25.10 | Over 70 percent by weight of plastics[m2, kg] | Estimate → | |||
| 3921.90.25.50 | Other (229)[m2, kg] | Estimate → | |||
| 3921.90.29.00 | Other[kg] | 4.4% | Free (A+,AU,BH,CL,CO,D,E*,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | Estimate → |
| Other: | |||||
| 3921.90.40 | Flexible | 4.2% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | |
| 3921.90.40.10 | Reinforced with paper[kg] | Estimate → | |||
| 3921.90.40.90 | Other[kg] | Estimate → | |||
| 3921.90.50 | Other | 4.8% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 42.5% | |
| 3921.90.50.10 | High pressure paper reinforced decorative laminates[m2, kg] | Estimate → | |||
| 3921.90.50.50 | Other[m2, kg] | Estimate → |
33 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 3921.11.00.00 at the general rate of 5.3%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (5.3%) | $530.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $577.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- B
- Automotive Products Trade Act
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
Frequently asked questions
What is the duty rate for HTS 3921?
Heading 3921 has 19 rate lines. The general (MFN) duty rates are 6.5% (8 lines), 4.2% (5 lines), 5.3% (4 lines), 4.4% (1 line). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 3921?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 3921?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.