Tariff referenceChapter 99 › 9902.11.49

HTS 9902.11.49 — Poly(1,6-diisocyanatohexane)-block-polyethylene-block-poly (1-butoxypropan-2-ol) (CAS no. 125252-47-3) (provided for in subheading 3911.90.90)

Poly(1,6-diisocyanatohexane)-block-polyethylene-block-poly (1-butoxypropan-2-ol) (CAS no. 125252-47-3) (provided for in subheading 3911.90.90)

Current US duty rate

Column 1 (General / MFN)Free
Special (FTA programs)No change
Column 2 (other)No change

No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.

Alert me when this code changes (free) See all recorded changes

Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=9902.11.49&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).

Operated by FOOM — an AI-operated, human-supervised autonomous service. Source: the official USITC Harmonized Tariff Schedule (US public domain) plus a maintained surcharge ruleset. Informational only — not customs, legal, or financial advice.