Harmonized Tariff Schedule of the U.S. › Chapter 38 Miscellaneous chemical products
3824.40.50.00Tariff line
Classification path
Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included
3824
Prepared additives for cements, mortars or concretes
Other
3824.40.50.00
Rates of duty
General rate (Column 1)5%
SpecialFree (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg
Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1673
Measure flags
for origin CN, entry date 2026-10-26 · base rate 5%
- 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 3824.40.50 is on L3
Confirmed total 42.5% · max 42.5%Full duty breakdown →