Potassium Ferrate Concrete Waterproofer from Canada
A specialized inorganic salt preparation of potassium ferrate used to waterproof and strengthen concrete by reacting with water to form insoluble complexes. Falls under HTS 3824.40.20.00 as it consists wholly of inorganic ferrate compounds prepared for concrete applications. Provides permanent internal waterproofing.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Handle as oxidizer with proper hazmat documentation; verify ferrate purity certificate; ensure not misclassified as fertilizer under Chapter 31