# HTS 9902.14.69: Polycrystalline fibers containing by weight over 70 percent of alumina and less than 30 percent of silica, the foregoing containing no alkaline oxides or boric oxide, presented in bulk (provided for in subheading 6806.10.00)

> 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:** #5567 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.14.69

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99021469-polycrystalline-fibers-containing-by-weight-over-70-percent*