United States tariff line 2508.50.00.00: Andalusite, kyanite and sillimanite
Last updated
Key facts
- Tariff line
- 2508.50.00.00
- Covers
- Andalusite, kyanite and sillimanite
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 2508.50
Summary
In the United States tariff, line 2508.50.00.00 covers andalusite, kyanite and sillimanite. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2508.50 in heading 25.08 (chapter 25).
What this line covers
In the United States tariff, line 2508.50.00.00 covers andalusite, kyanite and sillimanite.
Its legal text is “Andalusite, kyanite and sillimanite”.
How it is structured
It falls under HS subheading 2508.50 in heading 25.08 (chapter 25). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 25
- Salt; sulphur; earths and stone; plastering materials, lime and cement
- Heading 25.08
- Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths
- Line 2508.50.00.00
- Andalusite, kyanite and sillimanite
Duty
Goods under this line enter free of general (MFN) duty.
In other countries
No other national tariff on border.bot has live lines under 2508.50 yet.
Frequently asked questions
What does tariff line 2508.50.00.00 cover in the United States tariff?
In the United States tariff, line 2508.50.00.00 covers andalusite, kyanite and sillimanite.
What is the general (MFN) duty on 2508.50.00.00 in the United States?
Goods under this line enter free of general (MFN) duty.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: