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HTS 3824.40Chapter 38

HTS 3824.40Prepared additives for cements, mortars or concretes: Duty Rate & Import Guide

Miscellaneous Chemical Products · $6.1M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$6.1M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

1 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 1 NCM code

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Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

Subheadings (4)

CodeDescriptionRate
3824.40Prepared additives for cements, mortars or concretes:
3824.40.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances6.5%
3824.40.20.00Consisting wholly of inorganic substancesFree
3824.40.50.00Other5%

CBP Rulings (1)

N335205Classification, Trade ProgramsUSMCA

The tariff classification and eligibility of the United States-Mexico-Canada Agreement (USMCA) of ADVA® Cast 575 from Canada

Matching Export Code (Schedule B)

3824400000Schedule B

PREPARED ADDITIVES FOR CEMENTS, MORTARS OR CONCRETES

Census Bureau export classification matching this HTS import code.

3824.30.00.003824.40.10.00