HTS 9902.11.73
Chloromethylated, trimethylamine-quaternized poly(divinylbenzene-co-styrene-co-ethylstyrene) (CAS No. 69011-19-4) (provided for in subheading 3914.00.60)
Duty under this headingFree
ProgramOther Chapter 99 provisions
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗