United States tariff line 6903.90.00.10: Of clay
Last updated
Key facts
- Tariff line
- 6903.90.00.10
- Covers
- Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths, of clay
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 6903.90
Summary
In the United States tariff, line 6903.90.00.10 covers other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths, of clay. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 6903.90 in heading 69.03 (chapter 69).
What this line covers
In the United States tariff, line 6903.90.00.10 covers other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths, of clay.
Its legal text is “Of clay”, read under “Other”.
How it is structured
It falls under HS subheading 6903.90 in heading 69.03 (chapter 69). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 69
- Ceramic products
- Heading 69.03
- Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths
- Subheading 6903.90
- Other
- Line 6903.90.00.10
- Of clay
Duty
Goods under this line enter free of general (MFN) duty.
The rate is published on 6903.90.00.
Other lines under 6903.90
- 6903.90.00.50Other
In other countries
No other national tariff on border.bot has live lines under 6903.90 yet.
Frequently asked questions
What does tariff line 6903.90.00.10 cover in the United States tariff?
In the United States tariff, line 6903.90.00.10 covers other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths, of clay.
What is the general (MFN) duty on 6903.90.00.10 in the United States?
Goods under this line enter free of general (MFN) duty. The rate is published on 6903.90.00.
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: