Harmonized Tariff Schedule of the U.S. › Chapter 25 Salt; sulphur; earths and stone; plastering materials, lime and cement
2508.70.00.00Tariff line
Classification path
Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths
2508
Chamotte or dinas earth
2508.70.00.00
Rates of duty
General rate (Column 1)Free
Special—
Column 2Free
Unitt
Printed page 1349
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 2508.70.00 is on L3
Confirmed total 37.5% · max 37.5%Full duty breakdown →