Tariff reference › Chapter 99 › 9902.09.18
HTS 9902.09.18 — Partially polymerized (dimerized) rosin, catalyzed with sulfuric acid, softening point not less than 92˚ C, acid number not less than 140 (CAS No. 65997-05-9) (provided for in subheading 3806.90.00)
Partially polymerized (dimerized) rosin, catalyzed with sulfuric acid, softening point not less than 92˚ C, acid number not less than 140 (CAS No. 65997-05-9) (provided for in subheading 3806.90.00)
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.
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=9902.09.18&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).
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