This directory combines historical reference rows with separately labelled national sources. Read the source title, observation date, printed units and conditions on each entry. National source observations do not establish all measures applicable to a shipment.

United States Customs Tariff for HS Code 390450

Vinyl chloride, other halogenated olefin polymers; vinylidene chloride polymers, in primary forms

USITC 2026 HTS Revision 19

26,806 official source entries are searchable. Checked 2026-09-22; edition published 2026-09-15.

Printed tariff and statistical lines from this edition, separate from historical WITS averages. Blank duty cells are not a confirmed zero. Review the parent tariff line, general and chapter notes, chapter 99, origin, exclusions, quotas and additional duties. No shipment total or special-rate eligibility is calculated. The edition publication date is not a line-level effective date.

Official schedule and source documentation

Official entries matching 390450

3904.50.00.00

Polymers of vinyl chloride or of other halogenated olefins, in primary forms:

Vinylidene chloride polymers

Source units: kg

Column 1 — General
6.5%
Column 1 — Special (eligibility required)
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Column 2
2.2¢/kg + 33.5%
Official source for this code
WITS 2023 historical MFN average

Reported average: 6.5%.

Source year: 2023. Classification: HS 2022 (H6). Checked 2026-09-14.

National lines included: 1 of 1. Excluded from the average: 0.

Reported ad-valorem range: 6.5%–6.5%.

Reported historical ad-valorem MFN simple average for 2023, not a national tariff schedule. No preferential rates, additional duties, VAT, excise or import permissions are determined.

Not a current 2026 national duty. The HS6 average does not determine the duty of a particular national subdivision, origin or shipment.

WITS observation for this code and year

UN Comtrade H6 descriptions (HS 2022)

WITS API definitions: reported averages and excluded national lines

Direct HS code answer for United States

United States HS Code 390450: 6.50% (2023 MFN average)

The source reports an indicative HS6 MFN average of 6.50% (2023 MFN average) for Vinyl chloride, other halogenated olefin polymers; vinylidene chloride polymers, in primary forms.Source status: not assessed. Verify the exact national tariff line, origin treatment, taxes, restrictions, and current customs guidance before using this information in a declaration.

Customs tariff summary

Country
United States
HS / tariff code
390450
Description
Vinyl chloride, other halogenated olefin polymers; vinylidene chloride polymers, in primary forms
Chapter
39 —
Heading
3904
Subheading
390450
Indicative MFN HS6 average
6.50% (2023 MFN average)
VAT / tax
Check local VAT and excise rules for the import destination.
Unit / basis
Not listed in this tariff line
Source / vintage
WITS / UNCTAD TRAINS — 2023 MFN HS6 reference

Historical MFN average

6.50% (2023 MFN average)

Import permission

not assessed

Import planning

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Details

HS Code
390450
Chapter
39 —
Heading
3904
Subheading
390450

Compare HS code 390450 across GCC countries

Each destination shows its own source label. Oman uses its national schedule; Qatar and UAE entries may cite their separately published references and unresolved exceptions. Other entries retain the historical GCC reference. National codes, duty notes, restrictions and tax treatment can differ; verify with the destination customs authority.

Related HS Codes (Heading 3904)

HS CodeDescriptionDuty
390410Vinyl chloride, other halogenated olefin polymers; poly(vinyl chloride), not mixed with any other substances, in primary forms6.50% (2023 MFN average)WITS 2023 historical MFN average
390421Vinyl chloride, other halogenated olefin polymers; non-plasticised poly(vinyl chloride), in primary forms, mixed with other substances6.50% (2023 MFN average)WITS 2023 historical MFN average
390422Vinyl chloride, other halogenated olefin polymers; plasticised poly(vinyl chloride), in primary forms, mixed with other substances6.50% (2023 MFN average)WITS 2023 historical MFN average
390430Vinyl chloride, other halogenated olefin polymers; vinyl chloride-vinyl acetate copolymers, in primary forms2.65% (2023 MFN average)WITS 2023 historical MFN average
390440Vinyl chloride, other halogenated olefin polymers; vinyl chloride copolymers, in primary forms n.e.c. in heading no. 39045.30% (2023 MFN average)WITS 2023 historical MFN average
390461Halogenated olefin polymers; fluoro-polymers, polytetrafluoroethylene, in primary forms5.80% (2023 MFN average)WITS 2023 historical MFN average
390469Halogenated olefin polymers; fluoro-polymers (other than polytetrafluoroethylene), in primary forms3.25% (2023 MFN average)WITS 2023 historical MFN average
390490Vinyl chloride, other halogenated olefin polymers; n.e.c. in heading no. 39043.25% (2023 MFN average)WITS 2023 historical MFN average

Data source: WITS/UNCTAD TRAINS (MFN 2022). Values are indicative HS6 MFN averages, not shipment-specific applied rates. Import permission and restrictions are not assessed. Historical reference rates exclude VAT, excise and other national measures. Separate national entries preserve the columns printed by their source; these are not a complete shipment assessment. Full disclaimer.