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)
Duty under this headingFree
ProgramOther Chapter 99 provisions
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗