Silica-Alumina Cracking Catalyst from Canada
Amorphous silica-alumina gel catalyst for fluid catalytic cracking in refineries. Wholly inorganic composition qualifies for 3815.90.3000.
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
• Pore volume and acidity measurements (Hammett H0) confirm catalytic specs
• Microsphere morphology (60-150μm) distinguishes FCC from other catalysts
• Rare earth content declaration affects valuation and origin rules