HS code 3901.90: Polymers of ethylene, in primary forms
Last updated
Key facts
- HS code
- 3901.90
- Covers
- Polymers of ethylene, in primary forms
- Edition
- HS2022
- Duty in the United States
- See its 3 lines
Summary
HS code 3901.90 covers polymers of ethylene, in primary forms, other than those classified in 3901.10, 3901.20, 3901.30 and 3901.40. It sits in heading 39.01 (polymers of ethylene, in primary forms) in chapter 39 (plastics and articles thereof). Other goods of heading 39.01 are classified under 3901.10 (polyethylene having a specific gravity of less than 0.94), 3901.20 (polyethylene having a specific gravity of 0.94 or more), 3901.30 (ethylene-vinyl acetate copolymers) and 3901.40 (ethylene-alpha-olefin copolymers, having a specific gravity of less than 0.94). National tariff lines under 3901.90 are live on border.bot for the United States (3 lines, also used by 1 other country).
What this code covers
HS code 3901.90 covers polymers of ethylene, in primary forms, other than those classified in 3901.10, 3901.20, 3901.30 and 3901.40.
The legal text of the subheading is “Other”, in HS2022.
What it doesn’t cover
Other goods of heading 39.01 are classified under 3901.10 (polyethylene having a specific gravity of less than 0.94), 3901.20 (polyethylene having a specific gravity of 0.94 or more), 3901.30 (ethylene-vinyl acetate copolymers) and 3901.40 (ethylene-alpha-olefin copolymers, having a specific gravity of less than 0.94).
How it is structured
3901.90 is a six-digit subheading. Its first two digits, 39, are the chapter; the first four, 3901, are heading 39.01; the last two, 90, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Chapter 39
- Plastics and articles thereof
- Heading 39.01
- Polymers of ethylene, in primary forms
- Subheading 3901.90
- Other
In other countries
National tariff lines under 3901.90 are live on border.bot for the United States (3 lines, also used by 1 other country).
- United States3 lines, used by 1 other country
Frequently asked questions
What does HS code 3901.90 cover?
HS code 3901.90 covers polymers of ethylene, in primary forms, other than those classified in 3901.10, 3901.20, 3901.30 and 3901.40.
Which heading and chapter is HS code 3901.90 in?
HS code 3901.90 is in heading 39.01 (polymers of ethylene, in primary forms) in chapter 39 (plastics and articles thereof).
Where are goods of heading 39.01 classified when 3901.90 doesn’t fit?
Other goods of heading 39.01 are classified under 3901.10 (polyethylene having a specific gravity of less than 0.94), 3901.20 (polyethylene having a specific gravity of 0.94 or more), 3901.30 (ethylene-vinyl acetate copolymers) and 3901.40 (ethylene-alpha-olefin copolymers, having a specific gravity of less than 0.94).
Which countries’ tariffs list national lines under HS code 3901.90?
National tariff lines under 3901.90 are live on border.bot for the United States (3 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.