HTS 9902.11.37
Mixture of polymers of formaldehyde-1,3-benzenediol (1:1) (CAS No. 24969-11-7) and unreacted 1,3-Benzenediol (CAS No. 108-46-3) (provided for in subheading 3909.40.00)
Duty under this headingFree
ProgramOther Chapter 99 provisions
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗