# HTS 9902.10.47: Mixtures of barium carbonate (CAS No. 513-77-9), strontium carbonate (CAS No. 1633-05-2), calcium carbonate (CAS No. 471-34-1), and 1-methoxy-2-propanyl acetate (CAS No. 108-65-6), of a kind for use as emitter suspension cathode coating (provided for in subheading 3824.90.92)

> 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:** #5226 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.10.47

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99021047-mixtures-of-barium-carbonate-cas-no-513-77-9-strontium-c*