What does 3902.20 cover?

Polyisobutylene:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.

Where does this data come from?

Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.

3902.20 — Polyisobutylene: | US duty

Home/HTS/ Ch. 39/ 3902/3902.20

3902.20 · Polyisobutylene:

This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.

Subordinate codes (2)

Code	Description
3902.20.10.00	Elastomeric
3902.20.50.00	Other

Frequently asked

What does 3902.20 cover?: Polyisobutylene:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
Where does this data come from?: Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.