# HTS 9902.11.70: Ion-exchange resin, chloride form, utilizing a quarternary ammonium functional group, consisting of 1,2-bis(ethenyl)benzene; 4-[(E)-2-[(E)-2-but-3-enoxyethenoxy]ethenoxy]but-1-ene; trimethyl-[3-(prop-2-enoylamino)propyl]azanium; chloride (CAS No. 65997-24-2) in spherical beads with a mean particle size between 0.30 and 1.20 mm (provided for in subheading 3914.00.60)

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** Free
- **Special / FTA rate:** No change
- **Column 2 rate:** No change
- **Corpus rank:** #5334 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.11.70

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99021170-ion-exchange-resin-chloride-form-utilizing-a-quarternary-a*