Silica-Alumina Cracking Catalyst from Mexico
Amorphous silica-alumina gel catalyst for fluid catalytic cracking in refineries. Wholly inorganic composition qualifies for 3815.90.3000.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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