Harmonized Tariff Schedule of the U.S. › Chapter 68 Articles of stone, plaster, cement, asbestos, mica or similar materials
6815.91.00.11Tariff line
Classification path
Articles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included
6815
Other articles
Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite
Containing 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 pitch
6815.91.00.11
Rates of duty
General rate (Column 1)Free
Special—
Column 230%
Unitkg
Printed page 2459
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 6815.91.00 is on L3
- AD/CVD: 2 orders in placeConditional—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
- AD/CVD 2 casesConditionalAD 236% + CVD 3%A570954 / C570955
Confirmed total 37.5% · max 276.5%Full duty breakdown →