# HTS 7002.31.00.00: Of fused quartz or other fused silica

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

## Duty rates

- **General (MFN) rate:** Free
- **Column 2 rate:** 40%
- **Corpus rank:** #2244 of 5979 among duty-free tariff lines

## Classification path

- **Section XIII:** [Stone, Plaster, Cement; Ceramic; Glass](https://plaintariff.com/section/xiii-stone-plaster-cement-ceramic-glass)
- **Chapter 70:** [Glass and glassware](https://plaintariff.com/chapter/chapter-70-glass-and-glassware)
- **HTS code:** 7002.31.00.00

## Related tools

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

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/7002310000-of-fused-quartz-or-other-fused-silica*