Nano-Clay Concrete Viscosity Modifier from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Clay mineralogy analysis certificate; dispersion concentration specs; avoid confusion with drilling muds