# HTS 9902.11.52: α-Alkenes, C14-C20, polymers with maleic anhydride, 2-(1-piperazinyl) ethylimides, plasticized with diisononyl phthalate (CAS No. 28553-12-0) and bis(1-methylethyl)-naphthalene (CAS No. 38640-62-9) (provided for in subheading 3911.90.90)

> 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:** #5318 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.11.52

## Related tools

- [Tariff calculator](https://plaintariff.com/tools/tariff-calculator)
- [Search HTS codes](https://plaintariff.com/search)
- [Methodology & sources](https://plaintariff.com/methodology)

---

*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99021152-alkenes-c14-c20-polymers-with-maleic-anhydride-2-1-pip*