Iron Oxide Dehydrogenation Catalyst from Mexico
Alpha-Fe2O3 catalyst for ethylbenzene dehydrogenation to styrene. Consists wholly of inorganic iron oxides qualifying for 3815.90.3000.
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
• BET surface area >20m²/g confirms activated catalytic form vs pigment
• Promoter metal content declaration prevents misclassification
• Calcination temperature records verify crystalline phase for activity