Key facts
- HS subheading
- 3902.20
- National lines
- 2
- Tariff
- United States
- Chapter
- 39: Plastics and articles thereof
Summary
The United States tariff splits HS 3902.20 (polyisobutylene) into 2 national lines: 3902.20.10.00 (elastomeric) and 3902.20.50.00 (other). The general (MFN) duty differs by line: free on 3902.20.10.00 and 6.5% on 3902.20.50.00.
United States lines under 3902.20
The United States tariff splits HS 3902.20 (polyisobutylene) into 2 national lines: 3902.20.10.00 (elastomeric) and 3902.20.50.00 (other).
The general (MFN) duty differs by line: free on 3902.20.10.00 and 6.5% on 3902.20.50.00.
- 3902.20.10.00ElastomericDuty: Free
- 3902.20.50.00OtherDuty: 6.5%
In other countries
No other national tariff on border.bot has live lines under 3902.20 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 3902.20?
The United States tariff splits HS 3902.20 (polyisobutylene) into 2 national lines: 3902.20.10.00 (elastomeric) and 3902.20.50.00 (other).
What is the duty on HS 3902.20 in the United States?
The general (MFN) duty differs by line: free on 3902.20.10.00 and 6.5% on 3902.20.50.00.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 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.
Official source files: