# HTS 6806: Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812, or of chapter 69:

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

## Duty rates

- **General (MFN) rate:** Free

## Classification path

- **Section XIII:** [Stone, Plaster, Cement; Ceramic; Glass](https://plaintariff.com/section/xiii-stone-plaster-cement-ceramic-glass)
- **Chapter 68:** [Articles of stone, plaster, cement, asbestos, mica or similar materials](https://plaintariff.com/chapter/chapter-68-articles-of-stone-plaster-cement-asbestos-mica-or-similar)
- **HTS code:** 6806

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/6806-slag-wool-rock-wool-and-similar-mineral-wools-exfoliated-v*