</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Nano-Clay Concrete Viscosity Modifier from Canada

Dispersed montmorillonite nano-clay platelets used to modify concrete rheology and reduce bleeding/segregation in self-consolidating concrete. Wholly inorganic mineral preparation for HTS 3824.40.20.00. Improves flow without segregation.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Clay mineralogy analysis certificate; dispersion concentration specs; avoid confusion with drilling muds

Nano-Clay Concrete Viscosity Modifier from Canada — Import Duty Rate | HTS 3824.40.20.00