Harmonized Tariff Schedule of the U.S. › Chapter 38 Miscellaneous chemical products
3816.00.20.50Tariff line
Classification path
Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801
3816
Other
Other
3816.00.20.50
Rates of duty
General rate (Column 1)3%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 230%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1670
Measure flags
for origin CN, entry date 2026-10-26 · base rate 3%
- 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 3816.00.20 is on L3
Confirmed total 40.5% · max 40.5%Full duty breakdown →