6815.99—Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included, other
General duty rate
Free
Across 3 10-digit lines
Coverage on this page
Plain-English explanation
HTS 6815.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included, other. It sits in Chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials, Section XIII: Articles of Stone, Plaster, Cement, Asbestos, Mica or Similar Materials; Ceramic Products; Glass and Glassware and rolls up 3 10-digit statistical lines, all with a general duty rate of Free. 2 AD/CVD orders flag at least one child line.
10-digit lines under 6815.99(3)
Pick a line to view full rate detail and compute landed duty
6815.99.20.00Talc, steatite and soapstone, cut or sawed, or in blanks, crayons, cubes, disks or other formsFree6815.99.41.10Containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitchFree6815.99.41.70OtherFreeAD/CVD orders(2)
Antidumping or countervailing orders covering one or more lines under 6815.99
Frequently asked questions
What does HTS 6815.99 cover?
HTS 6815.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included, other. It belongs to Chapter 68 and rolls up 3 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 6815.99?
Every 10-digit line under HTS 6815.99 carries a general (Column 1) duty rate of Free. Section 301, Section 232, and AD/CVD overlays may stack on top of this rate at the per-line level — open a specific 10-digit code to see its complete tariff stack.
How do I find the right 10-digit line under HTS 6815.99?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 6815.99 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 6815.99?
Yes — 2 AD/CVD orders flag at least one 10-digit line under HTS 6815.99. Whether a specific shipment falls in scope depends on the country of origin and the order's scope determination. See compliance.tandom.ai for full coverage detail.
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