Harmonized Tariff Schedule of the U.S. › Chapter 69 Ceramic products
6903.10.00.00Tariff line
Classification path
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
6903
Containing by weight more than 50 percent of free carbon
6903.10.00.00
Rates of duty
General rate (Column 1)Free
Special—
Column 245%
Unitkg
Printed page 2463
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 6903.10.00 is on L3
Confirmed total 37.5% · max 37.5%Full duty breakdown →