Aluminum Powder Concrete Aerating Agent from Canada
Fine aluminum powder prepared with inorganic gas-generating activators to produce air-entrained concrete for freeze-thaw resistance. HTS 3824.40.20.00 as wholly inorganic prepared concrete additive. Creates stable microscopic air bubbles in the mix.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Particle size and purity certification critical; hydrogen evolution test data; proper explosion-proof handling instructions